[1] Univ Cattolica Sacro Cuore, Clin Malattie Infect, Rome, Italy
[2] Lazzara Spallanzani Ist Ricovero & Cura Caratterr, Ist Nazl Malattie Infett, Rome, Italy
[3] Osped Domenico Cotugno, Serv Psichiatria Consultaz & Epidemiol Comportame, Naples, Italy
[4] Univ Milan, Ist Malattie Infett & Trop, Milan, Italy
[5] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA