About the Authors

Georgia Vourli

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

gvourli@med.uoa.gr

Affiliation Dept of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece

Georgios Nikolopoulos

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

Affiliation Medical School, University of Cyprus, Nicosia, Cyprus

Vasilios Paparizos

Roles Writing – review & editing

Affiliation AIDS Unit, Clinic of Venereologic & Dermatologic Diseases, Athens University, Medical School, Syngros Hospital, Athens, Greece

Athanasios Skoutelis

Roles Writing – review & editing

Affiliation Infectious Diseases & HIV Division, Dept of Internal Medicine, Evangelismos Athens General Hospital, Athens, Greece

Symeon Metallidis

Roles Writing – review & editing

Affiliation Aristotle University HIV Unit, AHEPA University Hospital, Thessaloniki, Greece

Panagiotis Gargalianos

Roles Writing – review & editing

Affiliation Infectious Diseases Unit, 1st Dept of Medicine, "G. Gennimatas" Athens General Hospital, Athens, Greece

Antonios Papadopoulos

Roles Writing – review & editing

Affiliation 4th Dept of Internal Medicine, Athens Medical School, Attikon University Hospital, Athens, Greece

Maria Chini

Roles Writing – review & editing

Affiliation Infectious Diseases Unit, Red Cross General Hospital of Athens, Athens, Greece

Nikolaos V. Sipsas

Roles Writing – review & editing

Affiliation Pathophysiology Department, “Laikon” General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece

Mina Psychogiou

Roles Writing – review & editing

Affiliation “Laikon” Athens General Hospital and Athens University, Medical School, Athens, Greece

Georgios Chrysos

Roles Writing – review & editing

Affiliation Infectious Disease Unit, “Tzaneio” General Hospital of Piraeus, Piraeus, Greece

Helen Sambatakou

Roles Writing – review & editing

Affiliation Infectious Disease Unit, 2nd Dpt. of Internal Medicine, Athens University, Medical School, Hippokration General Hospital, Athens, Greece

Charalambos Gogos

Roles Writing – review & editing

Affiliation Infectious Diseases Section, 1st Dept of Internal Medicine, Patras University Hospital, Patras, Greece

Olga Katsarou

Roles Writing – review & editing

Affiliation Blood Transfusion Unit, and National Reference Centre for Congenital Bleeding Disorders, Laikon General Hospital, Athens, Greece

Dimitra Paraskeva

Roles Writing – review & editing

Affiliation HIV office, Hellenic Center of Disease Control and Prevention, Athens, Greece

Nikos Dedes

Roles Writing – review & editing

Affiliation Positive voice, Non-Governmental Organization, Athens, Greece

Giota Touloumi

Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – original draft

Affiliation Dept of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece

on behalf of the Greek HIV Prevention Group

Membership of the Greek HIV Prevention Group in the Acknowledgments.

Competing Interests

GT has received grants unrelated to this study from Gilead Sciences Europe, UCL, ECDC and EU and National fund. NVS has received research and travel grants unrelated to this study from Gilead Sciences Greece, and GSK Greece. OK has received support unrelated to this study from Baxalta, Novonordisk, Bayer, Pfizer in the form of research grants, lecture fees, travel expenses, payment of registration fees. GV has received travel expenses unrelated to the submitted work from ECDC. PG has received grants unrelated to this study from Astellas, Gilead, Jansesen, MSD, ViiV. The rest of the authors have no funding relevant to this study to report. AMACS has received initial funding from the Hellenic Center of Disease Control and Prevention. Additional grants unrelated to this study were received by Gilead Sciences Europe. This does not alter our adherence to PLOS ONE policies on sharing data and materials.