About the Authors

Jörg Schüpbach

schupbach.jorg@virology.uzh.ch

Affiliation University of Zurich, Institute of Medical Virology, Swiss National Center for Retroviruses, Zurich, Switzerland

Martin D. Gebhardt

Affiliation Swiss Federal Office of Public Health, Berne, Switzerland

Alexandra U. Scherrer

Affiliation Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland

Leslie R. Bisset

Affiliation University of Zurich, Institute of Medical Virology, Swiss National Center for Retroviruses, Zurich, Switzerland

Christoph Niederhauser

Affiliation Blood Transfusion Service, Swiss Red Cross Berne, Berne, Switzerland

Stephan Regenass

Affiliation University Hospital, Clinic for Immunology, Zurich, Switzerland

Sabine Yerly

Affiliations University of Zurich, Institute of Medical Virology, Swiss National Center for Retroviruses, Zurich, Switzerland, Geneva University Hospitals, Laboratory of Virology, Genève, Switzerland

Vincent Aubert

Affiliation University Hospital, Service of Immunology and Allergy, University Hospital Center, Lausanne, Switzerland

Franziska Suter

Affiliation University of Berne, Institute of Infectious Diseases, Berne, Switzerland

Stefan Pfister

Affiliation Institut Dr. Viollier AG, Basel, Switzerland

Gladys Martinetti

Affiliation Ente ospedaliero cantonale, Servizio di microbiologia, Bellinzona, Switzerland

Corinne Andreutti

Affiliation Clinique de la Source, Laboratoire, Lausanne, Switzerland

Thomas Klimkait

Affiliation University of Basel, Institute for Medical Microbiology, Basel, Switzerland

Marcel Brandenberger

Affiliation Labor Synlab Luzern, Lucerne, Switzerland

Huldrych F. Günthard

Affiliation Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland

the Swiss HIV Cohort Study

Competing Interests

The following authors were associated with private companies when this work was done: SP with Viollier, Inc., a commercial diagnostic laboratory; CA with Clinique de la Source, a private hospital; MB with Synlab, a commercial diagnostic laboratory. These affiliations do not alter the authors′ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

¶The members of the Swiss HIV Cohort Study are listed in the Acknowledgments.

Conceived and designed the experiments: JS HFG MDG TK LRB SY CA GM. Performed the experiments: LRB CN SR SY VA FS SP GM CA TK MB. Analyzed the data: JS AUS MDG. Wrote the paper: JS HFG MDG TK. Maintains SFOPH HIV notification database and provided these data to the study: MDG. Provided the data of the ZPHI study: HFG.