1. Barcelona Institute for Global Health (ISGlobal-CRESIB), Hospital Clínic-Universitat de Barcelona, Barcelona, Spain;
2. Centre for Tropical Diseases, Sacro Cuore Hospital, Negrar, Verona, Italy;
3. Clinica Malattie Infettive, Dipartimento di Medicina Sperimentale e Clinica, Universita Degli Studi di Firenze, Florence, Italy