About the Authors

Jörg Schüpbach, Zuzana Tomasik
University of Zurich, Swiss National Center for Retroviruses, Zurich, Switzerland

Martin D Gebhardt, Roger Staub
Swiss Federal Office of Public Health, Berne, Switzerland

Christoph Niederhauser
Blood Transfusion Service, Swiss Red Cross Berne, Berne, Switzerland

Sabine Yerly
Hopital Cantonal Universitaire, Laboratoire Central de Virologie, Geneva, Switzerland

Philippe Bürgisser
Centre Hospitalier Universitaire Vaudois, Service d'Immunologie et d'Allergie, Lausanne, Switzerland

Lukas Matter
Institut Dr. Viollier AG, Basel, Switzerland

Meri Gorgievski
University of Berne, Institute of Infectious Diseases, Berne, Switzerland

Rolf Dubs
University Hospital, Department of Medicine, Zurich, Switzerland

Detlev Schultze
Institute for Clinical Microbiology and Immunology, St. Gallen, Switzerland

Ingrid Steffen
University of Basel, Institute for Medical Microbiology, Basel, Switzerland

Corinne Andreutti
Clinique de la Source, Lausanne, Switzerland

Gladys Martinetti
Istituto Cantonale di Microbiologia, Bellinzona, Switzerland

Bruno Güntert
Labor Dr. Güntert, Lucerne, Switzerland

Synove Daneel, Pietro Vernazza
Kantonsspital St. Gallen, Department of Medicine, St. Gallen, Switzerland

Corresponding Author

jorg.schupbach@access.uzh.ch

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JS, RS, and PV designed the study. JS, MDG, DS, and PV analyzed the data. JS, ZT, CN, SY, PB, LM, MG, RD, DS, IS, CA, BM, and BG enrolled patients. JS, SY, PB, LM, MG, DS, and PV contributed to writing the paper. MDG, ZT, CN, SY, PB, LM, MG, RD, DS, IS, CA, GM, BG, SD, and PV collected data or performed experiments for this study. MDG contributed the clinical data (from surveillance) needed for the analysis. Patients included in the present study are based on patients enrolled in the CHAT study, which included all individuals with a newly diagnosed HIV infection for the duration of 1 year. SD and PV were responsible for the design, data collection, and summary of the CHAT study, of which some results are presented in the present study.