1. Unit of Medical Statistics and Molecular EpidemiologyUniversity Campus Bio‐Medico of Rome Rome Italy
2. Department of Biomedical and Clinical Sciences ‘L. Sacco’University of Milan Milan Italy
3. National HIV/AIDS Research Center, Istituto Superiore di Sanità Roma Italy
4. Laboratory of Molecular VirologyPolyclinic Tor Vergata Foundation Rome Italy
5. Department of Mental Health and Public Medicine, Section of Infectious DiseasesUniversity of Campania Luigi Vanvitelli Naples Italy
6. Unit of Clinical Laboratory ScienceUniversity Campus Bio‐Medico of Rome Rome Italy