Publications

Optimizing an HIV testing program using a system dynamics model of the continuum of care
Kok S., Rutherford A. R., Barrios R., Gustafson R., Montaner JSG, Vasarhelyi K. | Health Care Management Science (in press)
Changing risk behaviours and the HIV epidemic: A mathematical analysis in the context of Treatment as Prevention
Ramadanovic B, Vasarhelyi K, Nadaf A, Wittenberg RW, Montaner JSG, Wood E, Rutherford AR | Plos ONE 8(5):e62321, 2013
Home is where the HAART is: Factors affecting neighbourhood perception for people living with HIV/AIDS
Vasarhelyi K., Palmer A., Fernandes K., Zhang W., Drutys E., Hogg R.S. and Brandson E. | AIDS Care, 23(2):245-251, 2011
Estimating the Impact of Expanded Access to Antiretroviral Therapy on Maternal, Paternal and Double-Orphans in sub-Saharan Africa, 2009-2020
Amema A., Au-Yeung C.G., Joffres M., Kaida A., Vasarhelyi K., Kanters S., Montaner J.S.G., Hogg R.S., Wang L. and Schnaare R.L. | AIDS Research and Therapy, 8:13, 2011
Using simulation to model and optimize acute care access in relation to hospital bed count and bed distribution
Wang Y., Hare W. L.,Vertesi L. ,Rutherford A. R. | Journal of Simulation, 5, 101–110,2011.
Performance metrics and service discipline in a system-scale model of surgical wait list
Ramadanovic B., van der Waall A. ,Rutherford A. R. , Vertesi L., Wang Y. , Bakhtiari A., Rongve I.| International Journal of Health Management and Information, 1, 131-143, 2010.
A social network model of investment behaviour in the stock market
L Bakker, W Hare, H Khosravi, B Ramadanovic| Physica A: Statistical Mechanics and its Applications 389 (6), 1223-1229,16,2010
A deterministic model of home and community care client counts in British Columbia
Hare W. L., Alimadad A. , Dodd H., Ferguson R., Rutherford A. R.| Health Care Management Science, 12, 80–98, 2009.
Finite size giant magnon
B Ramadanovic, GW Semenoff | arXiv preprint arXiv:0803.4028,15, 2008
Testing AdS/CFT at string loops
G Grignani, M Orselli, B Ramadanovic, GW Semenoff, D Young | Fortschritte der Physik 55 (5‐7), 742-747,1, 2007
AdS/CFT vs string loops
G Grignani, M Orselli, B Ramadanovic, GW Semenoff, D Young | Journal of High Energy Physics 2006 (06), 040,15, 2006
Free energy and phase transition of the matrix model on a plane wave
S Hadizadeh, B Ramadanovic, GW Semenoff, D Young| Physical Review,D 71 (6), 065016,16, 2005
Divergence cancellation and loop corrections in string field theory on a plane wave background
G Grignani, M Orselli, B Ramadanovic, GW Semenoff, D Young | Journal of High Energy Physics 2005 (12), 017,15, 2005

Modelling in Healthcare (ISBN-10: 0-8218-4969-7)
Hare W., Rutherford A.R., Vasarhelyi K. (Principal Authors) and the Complex Systems Modelling Group | American Mathematical Society | 2010

A System Dynamics Model of the Continuum of Care for HIV/AIDS, in Proceedings of the Conference on Operational Research Applied to Health Services (ORAHS)
A. R. Rutherford, S. Kok, R. Barrios, R. Gustafson, and K. Vasarhelyi | Enschede, July 15–20, 2012, E. Hans and I. Vliegen eds. 2012.
Using Mathematical Modelling to Assess Public Health Strategy for HIV/AIDS, in Proceedings of the International Conference on Operational Research Applied to Health Services
A. R. Rutherford, R. W. Wittenberg, K. Vasarhelyi, B. Ramadanovic, J. S. G. Montaner, Cardiff | July 24– 29, 2011 | P. Harper, V. Knight, I. Vieira, J. Williams eds. 2011.

Mathematical modelling of the HIV epidemics
A. Nadaf |United Nations Office on Drugs and Crime (UNODC), Tehran, Iran, May , 2014. (Oral Presentation)
Mathematical modelling of the HIV epidemics
A. Nadaf |Knowledge Hub office, Tehran, Iran, May , 2014. (Oral Presentation)
Operational strategies for improving the HIV testing program in Vancouver, Canada
S. Kok, K. Vasarhelyi, A.R. Rutherford, R. Barrios, R. Gustafson, J.S.G. Montaner |ORAHS 2013, Operational Research Applied to Health Services, Istanbul, Turkey, July 7 - 12, 2013. (Oral Presentation)
Estimating HIV Incidence: A Mathematical Modelling Approach
A.R. Rutherford, A. Nadaf, B. Ramadanovic, K. Vasarhelyi, B. Yip, A. Poon, R. Liang, R.P. Harrigan, R. Wittenberg, J.S.G. Montaner | ORAHS 2013, Operational Research Applied to Health Services, Istanbul, Turkey, July 7 - 12, 2013. (Oral Presentation)
Falling through the cracks? Characteristics of undiagnosed HIV infections and implications for HIV testing for injection drug users and street-based sex workers
K. Vasarhelyi, K. Shannon, K. Deering, K. Chan, A. Simo, R. Gustafson, M. W. Tyndall, T. Kerr, J.S.G. Montaner, E. Wood | IAS 2013, 7th IAS Conference on HIV Pathogens, Treatment and Prevention, Kuala Lumpur, Malaysia June 30-July 3, 2013. (Poster)
Quantifying the Relationship between the HIV-1 Mutation Rate and Clinical Markers of Disease Progression
A. E. Adams, A. R. Rutherford, R. W. Wittenberg | CAHR 2013, 22nd Annual Canadian Conference on HIV/AIDS Research, Vancouver, Canada, April 11-14, 2013. (Poster)
Changing risk behaviours and the HIV epidemic: A mathematical analysis in the context of Treatment as Prevention
Nadaf A, Ramadanovic B, Vasarhelyi K, Wittenberg RW, Montaner JSG, Wood E, Rutherford AR | 8th Annual IRMACS Day, Vancouver, Canada, April 12, 2013 (Poster)
HIV Testing Strategies for Improved Treatment as Prevention Outcomes
K. Vasarhelyi, S. Kok, A.R. Rutherford, R. Gustafson, M. Thumath, L. Tran, K. McPherson, A. Nathoo, S. Guillemi, R. Barrios, J.S.G Montaner | 3rd International Treatment as Prevention Workshop, Vancouver, Canada, April 22-25, 2013. (Poster)
HIV testing strategies for improved Treatment as Prevention outcomes
S. Kok-Langille, K. Vasarhelyi, A.R. Rutherford, R. Barrios, R. Gustafson, M. Thumath, L. Tran, K. McPherson, A. Nathoo, S. Guillemi, J.S.G. Montaner “”, CAHR 2013, 22nd Annual Canadian Conference on HIV/AIDS Research, Vancouver, Canada, April 11-14, 2013. (Poster)
Falling through the cracks? Re-assessing targeted HIV testing strategies for injection drug users and street-based sex workers
K. Vasarhelyi, E. Wood, K. Deering, A. Carter, K. Chan, A. Simo, G.Colley, R. Gustafson, J. Montaner, K. Shannon | CAHR 2013, 22nd Annual Canadian Conference on HIV/AIDS Research, Vancouver, Canada, April 11-14, 2013. (Poster)
A network model of the impact of serosorting on the spread of HIV in men who have sex with men
S. Kok, P. Tupper, K. Vasarhelyi, A.R. Rutherford | ORAHS 2012 | Operational Research Applied to Health Services | Twente, Netherlands, July 15 - 20, 2012.
A systems dynamics model of the Continuum of Care for HIV/AIDS
A.R. Rutherford, S. Kok, R. Barrios, R. Gustafson, K. Vasarhelyi | ORAHS 2012, Operational Research Applied to Health Services | Twente, Netherlands, July 15 - 20, 2012.
Modeling the impact of serosorting on the spread of HIV in men who have sex with men
S. Kok, P. Tupper, K. Vasarhelyi, A.R. Rutherford | CAHR 2012, 21st Annual Canadian Conference on HIV/AIDS Research | Montreal, Canada, April 19-22, 2012.
Micro-environmental barriers and gendered experiences of differential vulnerability continue to drive syringe-sharing in a setting of universal healthcare, readily available syringe exchange services and a safe injection facility
W. Michelow, A. Cescon, A. Rutherford, W. Small, S. Parashar, N. O’Brien, J. Pai, J. Montaner, K. Vasarhelyi | CAHR 2012, 21st Annual Canadian Conference on HIV/AIDS Research | Montreal, Canada, April 19-22, 2012.
Simulation of processes on networks, using Python, with applications in HIV epidemiology
L. Ahrenberg | EuroSciPy 2011, Annual European Conference for Scientists Using Python | Paris August 25-28, 2011.
Evaluating the Impact of "Treatment as Prevention" on Reducing HIV Transmission, Using Surveillance Data
Rutherford A.R., Vasarhelyi K., Kok S., Lourenco L., Michelow W., Samji K., Wittenberg R.W. and Montaner J.S.G. | 6th International Workshop on HIV Trasmission | Rome, Italy July 15-15, 2011
Changes in Risk Behaviour Following HIV Diagnosis and Subsequent HAART Initiation in Men who have Sex with Men
Vasarhelyi K., Michelow W., Anema A., Chan K., Hogg R.S. and Montaner J.S.G. | 6th IAS Conference on HIV Pathogens, Treatment and Prevention | Rome, Italy July 17-20, 2011
Social-Structural Factors and Gendered Experiences of Vulnerability Continue to Drive Syringe Sharing in a Setting of Universal Healthcare, Readily Available Syringe Exchange Services and a Safe Injection Facility
Michelow W., Cescon A.M., Rutherford A.R., Small W., Parashar S., O'Brien N., Pai J., Montaner J.S.G. and Vasarhelyi K. | 6th IAS Conference on HIV Pathogens, Treatment and Prevention | Rome, Italy July 17-20, 2011
Balancing Simplicity and Complexity: A Conceptual Framework for a Mathematical Network Model Investigating HIV Prevention Among Injection Drug Users in Vancouver, Canada
Vasarhelyi, K., Small W., Marshall B.D.L., Ramadanovic B., Rutherford A.R., Cescon A., Michelow W., Ahrenberg L., Wittenberg R.W. and Montaner J.S.G. | 6th IAS Conference on HIV Pathogens, Treatment and Prevention | Rome, Italy July 17-20, 2011
Using Mathematical Modelling to Access Public Health Strategy for HIV/AIDS
Rutherford A.R., Ramadanovic B., Wittenberg R.W., Vasarhelyi K. and Montaner J.S.G. | ORAHS 2011, Operational Research Applied to Health Services | Cardiff, UK July 24-29, 2011
Reducing HIV-Related Acute Care Admissions Through Drug Treatment Program Expansion
Rutherford A.R., Bastani P., Ramadanovic B., Vasarhelyi K. and Barrios R. | ORAHS 2011, Operational Research Applied to Health Services | Genova, Italy July 18-23, 2011
Changes in the Proportion of Undiagnosed HIV-seropositive men-who-have-sex-with-men in a Canadian Cohort from 1995 to 2002
Anema A., Vasarhelyi K., Michelow W., Chan K., Montaner J.S.G. and Hogg R.S. | 6th IAS Conference on HIV Pathogens, Treatment and Prevention | Rome, Italy July 17-20, 2011
Estimating the Rate of HIV Transmission in British Columbia, Canada
Vasarhelyi K., Ramadanovic B., Adams A., Kok S., Gustafson R., Montaner J.S.G., Wittenberg R.W., Hogg R.S., Lima V.D., Rutherford A.R. | 18th Conference on Retroviruses and Opportunistic Infections | Boston, 2011
Highly active antiretroviral therapy eliminates HIV epidemics in a network model of an injecting drug user community
P. Bastani, E. Druyts, R.S. Hogg, B. Marshall, J.S.G. Montaner, B. Ramadanovic, A.R. Rutherford, K. Vasarhelyi | CROI 2010, 17th Conference on Retroviruses and Opportunistic Infections | San Francisco, USA, 16-19 February, 2010.
The Impact of HAART Expansion on the Utilization and Costo f Acute Care Services in Vancouver, Canada
K. Vasarhelyi, P. Bastani, A.R. Rutherford, B. Ramadanovic, B. Yip, R. Wittenberg, S. Kanters and R. Barrios | International AIDS Conference | Vienna, Austria, 18-23, July, 2010.
Trends in sexual risk behaviour and HIV incidence in MSM in North America
P. Hoong, F. Fahim, R.S. Hogg and K. Vasarhelyi | International AIDS Conference | Vienna, Austria, 18-23, July, 2010.
Evaluating the Potential Role of Changing Risk Behaviour in the Effectiveness of Interventions Aimed to Control the Spread of HIV
Bastani A., Ramadanovic B., Hogg R.S., Montaner J.S.G., Vasarhelyi K., Wittenberg R.W., Rutherford A.R. | XVIII International AIDS Conference | Vienna, 2010
The Potential Impact of HAART Expansion on Hospital Utilization and Related Costs in Vancouver, BC
Vasarhelyi K., Bastani A., Hogg R.S., Kanters S., Montaner J.S.G., Ramadanovic B., Rutherford A.R., Wittenberg R.W., Yip B., Barrios R. | XVILL International AIDS Conference | Vienna, 2010
Highly Active Antiretroviral Therapy Eliminates HIV Epidemics in a Network Model of an Injecting Drug User Community
Bastani P., Hogg R.S., Marshall B., Montaner J.S.G., Ramadanovic B., Rutherford A.R., Vasarhelyi K. | 17th Conference on Retroviruses and Opportunistic Infections | San Francisco, 2010
Stable Housing is Linked to Improved Neighbourhood Perception and Clinical Outcomes in People with HAART
Vasarhelyi K., Brandson E., Palmer A., Fernandes K., Zhang W., Druyts E., Montaner J., Hogg R. and Moore D. | NAHC 2009, North American Housing and HIV/AIDS Research Summit IV | Washington, DC, USA June 3-5, 2009
The Role of Stable Housing and Food Security in Treatment Success Among People on HAART
Vasarhelyi K., Brandson E.K., Palmer A., Fernandes K.A., Zhang W., Druyts E.F., Moore D., Montaner J. and Hogg R.S. | 18th Annual Canadian Conference on HIV/AIDS Research | Vancouver, Canada April 23-26, 2009
Expanding HAART to Control the Spread of HIV Among Injection Drug Users
Richardson N., Rutherford A.R., Ramadanovic B., Marshall B., Kaida A., Bastani P., van der Waall A., Montaner J.S.G., Lima V.D., Fernandes K., Hogg R.S., Borwein P., Vasarhelyi K. | 5th IAS Conference on HIV Pathogenesis, Treatment and Prevention | Cape Town, 2009
HIV Epidemics Driven by Needle-Sharing Among Injection Drug Users
Vasarhelyi K., Dabbaghian V., Richardson N., Ramadanovic B., Lima V.D., Hogg R., Rutherford A.R., | 18th Annual Canadian Conference on HIV/AIDS Research | Vancouver, 2009
The Role of Stable Housing and Food Security in Treatment Success Among People with HAART
Vasarhelyi K., Brandson E.K., Palmer A.K., Fernandes K., Zhang W., Druyts E., Montaner J.S.G., Hogg R.S. | 18th Annual Canadian Conference on HIV/AIDS Research | Vancouver, 2009
Peer Interaction Among Injection Drug Users and the HIV Epidemic
Dabbaghian V., Richardson N., Rutherford A.R., Vasarhelyi K. | XVII International AIDS Conference | Mexico City, 2008
Weight Cycling and Weight Gain Across All BMI Levels in the NLS Data Set
K. Vasarhelyi, A. Alimadad, W.L. Hare, J. Li, A.R. Rutherford, H. Buhler, C.A. Matteson, D.T. Finegood | Canadian Diabetes Association and Canadian Society of Endocrinology and Metabolism Conference | Vancouver, Canada, October 24-27, 2007.
A Cellular Automata Model of the Spread of HIV in a Community Injection Drug Users
Dabbaghian V., Richardson N., Rutherford A.R. and Vasarhelyi K. | 13th International Workshop on Cellular Automata | Toronto, Canada August 27-28, 2007
A Delay Differential Equation Model of HIV Testing and Treatment
Alimadad A., Gusev Y., Vasarhelyi K. and Rutherford A.R. | CMS-MITACS Joint Conference 2007 | Winnipeg, Canada May 31-June 3, 2007
Revisiting Treatment Strategies: Variable Viral Load, High CD4+ Counts and HIV Transmission
Alimadad A., Vasarhelyi K. and Rutherford A.R. | Statistical and Epidemiological Issues in HIV Research | Vail, Colorado, USA April 11-13, 2007.

Simulation Modelling of the Criminal Justice System of British Columbia: Phase II Incorporating Crime Types, Regions and Resourcing
Alimadad A., Dabbaghian V., Fowler E., Giles C., Ramadanovic B., Richardson N., Rutherford R., Vasarhelyi K. and van der Waall A. | A Summary Report Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General | CSMG, 2008
MACH-1, Modelling Acute Capacity in Hospitals Phase One - Results and 2006/2007 Data Analysis
Hare W., Vertesi L., Li J., Rutherford A.R., Vasarhelyi K. and Wang Y. | Prepared for the British Columbia Ministry of Health Services | 2008
Simulation Modelling of the Criminal Justice System of British Columbia: Phase II Incorporating Six Crime Types in Five Regions
Alimadad A., Dabbaghian V., Fowler E., Giles C., Ramandanovic B., Richardson N., Rutherford A.R., Vasarhelyi K. and van der Waall A. | End of Phase Report Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General | CSMG, 2008
Simulation Modelling of the Criminal Justice System of British Columbia: Phase IIb Incorporating Five Crime Types in Five Regions
Alimadad A., Dabbaghian V., Fowler E., Giles C., Ramadanovic B., Richardson N., Rutherford A.R., Vasarhelyi K. and van der Waall A. | Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General | CSMG, 2008
Modelling of the Criminal Justice System for British Columbia: Phase IIa, Incorporating Five Different Crime Types
Alimadad A., Dabbaghian V., Fowler E., Giles C., Richardson N., Rutherford A.R., Vasarhelyi K. and van der Waall A. | Prepared for the British Columbia Ministry of Public Safety and Solicitor General and the Ministry of the Attorney General | CSMG, 2008
MACH-1: Modelling Acute Capacity in Hospitals, Phase 1- Modelling Methodology
Rutherford A.R., Vertesi L., Ferguson R., Hare W., Li J., Vasarhelyi K. and Wang Y. | Technical Report Prepared for the British Columbia Ministry of Health | 2008
Piecewise Linear Model for Cataract Surgery Rates in British Columbia for 2007-2013
Rutherford A., Vasarhelyi K. and Vertesi L. | Prepared for the British Columbia Ministry of Health | 2007
Assesment of Cataract Surgery Wait Lists of British Columbia
Alimadad A., Ghasminejad A.H., Hare W., Li J., Mitrovic-Minic S., Rutherford A.R., Vasarhelyi K. and Vertesi L. | Prepared for the British Columbia Ministry of Health | March 17, 2007
A Model for Hip and Knee Surgery Wait Lists in British Columbia Incorporating Transitions in Booking and Surgery Rates
Alimadad A., Borwein P., Dabbaghian-Abdoly V., Ferguson R., Fowler E., Gusev Y., Hayes M., Joffre M., Li J., Mitrovic-Minic S., Rutherford A.R., Vasarhelyi K. and Vertesi L. | Prepared for the British Columbia Ministry of Health | 2006
Mathematical Modelling in Health Care
Rutherdford A.R. and Vasarhelyi K. | Report to the British Colombia Ministry of Health | 2006
Modelling the Demand for Heath Care
Alimadad A., Borwein P., Dabbaghian-Abdoly V., Ferguson R., Fowler E., Gusev Y., Hayes M., Joffre M., Li J., Mitrovic-Minic S., Rutherford A.R., Vasarhelyi K and Vertesi L. | Report Prepared for the British Columbia Ministry of Health | 2006
How Many More Cases are Needed? A Report on Hip and Knee Surgery Waits in British Columbia
Alimadad A., Borwein P., Dabbaghian-Abdoly V., Ferguson R., Fowler E. Gusev Y., Hayes M., Joffre M., Li J., Mitrovic-Minic S., Rutherford A.R., Vasarhelyi K. and Vertesi L. | Prepared for the British Columbia Ministry of Health | 2006
Regional Pandemic Influenza Plan
Vasarhelyi K. (ed). | Vancouver Costal Health Authority | 2005
First Draft Five-Year Health Promotion Plan for Nunavut
Vasarhelyi K. (ed). | Shroff Consulting | 2005