1. Clinic of Infectious Diseases
2. Unit of Clinical Psychology, San Paolo Hospital, ASST Santi Paolo e Carlo, Department of Health Sciences, University of Milan, Milan
3. Unit of Infectious Diseases, ASST della Valle Olona, Busto Arsizio Hospital, Busto Arsizio
4. Grant Office, ASST Santi Paolo e Carlo, Milan
5. Laboratory of Pharmacology and Pharmacotherapy, Amedeo di Savoia Hospital, Department of Medical Sciences, University of Turin, Turin, Italy.