Ferruccio Galletti, Naples, Italy
Domenico Bonaduce, Naples, Italy
Giuseppe Schillaci, Terni, Italy
Al-Manial University Hospital, Kasr El-Aini Faculty Medicine, Cairo University, Cairo, Egypt
Siena University, Siena, Italy
Azienda Ospedaliero-Universitaria Policlinico Consorziale, Bari, Italy
Federico II University - Department of Internal Medicine, Naples, Italy
Academic Department of Medicine Wythenshawe Hospital, Manchester, United Kingdom
Hospital Universitario de Coimbra, Coimbra, Portugal
Hospital Egaz Moniz, Lisboa, Portugal
Hospital Conde do Bertiandos, Ponte de Lima, Portugal