About the Authors

Rami Kantor

*To whom correspondence should be addressed. E-mail: rkantor@ brown.edu

affiliation: Division of Infectious Diseases, Brown University, Providence, Rhode Island, United States of America

Affiliation Division of Infectious Disease and Center for AIDS Research, Stanford University, Stanford, California, United States of America

David A Katzenstein

Affiliation Division of Infectious Disease and Center for AIDS Research, Stanford University, Stanford, California, United States of America

Brad Efron

Affiliation Department of Statistics and Division of Biostatistics, Stanford University, Stanford, California, United States of America

Ana Patricia Carvalho

Affiliation Hospital Egas Moniz, Lisbon, Portugal

Brian Wynhoven

Affiliation BC Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada

Patricia Cane

Affiliation Health Protection Agency, Porton Down, United Kingdom

John Clarke

Affiliation Wright Fleming Institute, Imperial College, St. Mary's Hospital, London, United Kingdom

Sunee Sirivichayakul

Affiliation Chulalongkorn University, Bangkok, Thailand

Marcelo A Soares

Affiliation Universidade Federal do Rio de Janeiro, Brazil

Joke Snoeck

Affiliation Rega Institute for Medical Research, Leuven, Belgium

Candice Pillay

Affiliation National Institute of Communicable Diseases, Johannesburg, South Africa

Hagit Rudich

Affiliation Central Virology, Public Health Laboratories, Ministry of Health, Tel-Hashomer, Israel

Rosangela Rodrigues

Affiliation Instituto Adolfo Lutz, Sao Paulo, Brazil

Africa Holguin

Affiliation Hospital Carlos III, Madrid, Spain

Koya Ariyoshi

Affiliation National Institute of Infectious Diseases, Tokyo, Japan

Maria Belen Bouzas

Affiliation Fundación Huesped, Buenos Aires, Argentina

Pedro Cahn

Affiliation Fundación Huesped, Buenos Aires, Argentina

Wataru Sugiura

Affiliation National Institute of Infectious Diseases, Tokyo, Japan

Vincent Soriano

Affiliation Hospital Carlos III, Madrid, Spain

Luis F Brigido

Affiliation Instituto Adolfo Lutz, Sao Paulo, Brazil

Zehava Grossman

Affiliation Central Virology, Public Health Laboratories, Ministry of Health, Tel-Hashomer, Israel

Lynn Morris

Affiliation National Institute of Communicable Diseases, Johannesburg, South Africa

Anne-Mieke Vandamme

Affiliation Rega Institute for Medical Research, Leuven, Belgium

Amilcar Tanuri

Affiliation Universidade Federal do Rio de Janeiro, Brazil

Praphan Phanuphak

Affiliation Chulalongkorn University, Bangkok, Thailand

Jonathan N Weber

Affiliation Wright Fleming Institute, Imperial College, St. Mary's Hospital, London, United Kingdom

Deenan Pillay

Affiliation University College London and Health Protection Agency, London, United Kingdom

P. Richard Harrigan

Affiliation BC Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada

Ricardo Camacho

Affiliation Hospital Egas Moniz, Lisbon, Portugal

Jonathan M Schapiro

Affiliation Division of Infectious Disease and Center for AIDS Research, Stanford University, Stanford, California, United States of America

Robert W Shafer

Affiliation Division of Infectious Disease and Center for AIDS Research, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

R. Kantor, D. A. Katzenstein, B. Efron, J. M. Schapiro, and R. W. Shafer designed the study. R. Kantor, D. A. Katzenstein, B. Efron, A. P. Carvalho, B. Wynhoven, P. Cane, J. Clarke, S. Sirivichayakul, M. A. Soares, J. Snoeck, C. Pillay, H. Rudich, R. Rodrigues, A. Holguin, K. Ariyoshi, M. B. Bouzas, and R. W. Shafer analyzed the data. R Kantor, D. A. Katzenstein, P. Cahn, W. Sugiura, V. Soriano, L. F. Brigido, Z. Grossman, L. Morris, A.-M. Vandamme, A. Tanuri, P. Phanuphak, J. N. Weber, D. Pillay, P. R. Harrigan, R. Camacho, and R. W. Shafer interpreted the data. R. Kantor, D. A. Katzenstein, and R. W. Shafer contributed to writing the paper.