About the Authors

Jorge Valencia

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

jorge_vlr@yahoo.es

Affiliations Harm Reduction Unit “SMASD”; Subdirección General de Adicciones; SERMAS, Madrid, Spain, Non-Governmental Organization “Madrid Positivo”, Madrid, Spain

Alejandro Alvaro-Meca

Roles Formal analysis, Methodology

Affiliation Unit of Preventive Medicine and Public Health, Rey Juan Carlos University, Alcorcon, Madrid, Spain

Jesús Troya

Roles Resources, Writing – review & editing

Affiliation Hospital Universitario Infanta Leonor, Madrid, Spain

Jorge Gutiérrez

Roles Conceptualization, Project administration, Resources, Writing – review & editing

Affiliation Non-Governmental Organization “Madrid Positivo”, Madrid, Spain

Cristina Ramón

Roles Conceptualization, Methodology

Affiliation Non-Governmental Organization “Madrid Positivo”, Madrid, Spain

Antonio Rodríguez

Roles Conceptualization, Writing – original draft

Affiliation Non-Governmental Organization “Madrid Positivo”, Madrid, Spain

Sonia Vázquez-Morón

Roles Data curation, Validation

Affiliations Fundación Estatal, Salud, Infancia y Bienestar Social (FCSAI), Madrid, Spain, Unit of Viral Infection and Immunity, National Center for Microbiology, Institute of Health Carlos III, Majadahonda, Madrid, Spain

Salvador Resino

Roles Formal analysis, Resources, Software

Affiliation Unit of Viral Infection and Immunity, National Center for Microbiology, Institute of Health Carlos III, Majadahonda, Madrid, Spain

Santiago Moreno

Contributed equally to this work with: Santiago Moreno, Pablo Ryan

Roles Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Infectious Diseases, Ramón y Cajal Hospital, IRYCIS, University of Alcalá de Henares, Madrid, Spain

Pablo Ryan

Contributed equally to this work with: Santiago Moreno, Pablo Ryan

Roles Conceptualization, Funding acquisition, Investigation, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

Affiliations Hospital Universitario Infanta Leonor, Madrid, Spain, Complutense de Madrid University (UCM), Madrid, Spain, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain

Competing Interests

This work has been funded by a research grant from Merck Sharpe & Dohme (MISP IIS#54846). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials.