| 1993 – 2021 | Università degli Studi di Milano, Milan, Italy |
| 2001 – 2021 | IRCCS Policlinico San Donato, San Donato Milanese MI, Italy |
| 1993 – 2020 | Ospedale Maggiore Policlinico Milano, Milan, Italy |
| 1997 – 2020 | Università degli Studi di Milano, Facoltà di Medicina e Chirurgia, Milan, Italy |
| 2020 | Istituto Clinico Sant’Ambrogio, Milan, Italy |
| 2017 | Foregut Research Center, Italy |
| 2016 | Policlinico San Donato, Italy |
| 2013 | Fondazione IRCCS Policlinico San Matteo, Pavia, Italy |
| 1992 – 2012 | Keck School of Medicine of USC, Los Angeles, United States |
| 1999 – 2012 | University of Southern California, Los Angeles, United States |
| 2005 | Division of General Surgery, Torino, Italy |
| 2001 – 2004 | Humanitas Research Hospital, Rozzano, Italy |
| 2000 | European Study Group for Antireflux Surgery ESGARS, Germany |
| 1998 | Ospedale Maggiore, Bologna, Italy |
| 1997 | Centre Hospitalier de L’Universite de Montreal, Montreal, Canada |
| 1995 | Scientific IRCCS Network- Italian Ministry of Health, Rome, Italy |
| 1983 – 1994 | Università degli Studi di Padova, Padua, Italy |
| 1984 – 1994 | Università degli Studi di Padova, Facoltà di Medicina e Chirurgia, Padua, Italy |
| 1994 | Institute of General Surgery and Thoracic Surgery, Milan, Italy |
| 1993 | Ospedale Civile, Urbino, Italy |
| 1993 | Istituto Oncologico Veneto IOV – IRCCS, Padova, Italy |
| 1985 – 1992 | Creighton University, Omaha, United States |
| 1987 – 1992 | Creighton University School of Medicine, Omaha, United States |
| 1992 | Clinica Chirurgica I, Padua, Italy |
| 1992 | Universitá degli Studi di Pudova, Italy |
| 1991 | Ospedale di Castelfranco Veneto, Castelfranco Veneto, Italy |
| 1991 | Cattedra e Divisione di Reumatologia, Padova, Italy |
| 1991 | Ospedale Civile, Castelfranco Veneto, Italy |
| 1991 | Azienda Ospedaliera Di Padova, Padua, Italy |
| 1991 | Ospedale Luigi Sacco – Polo Universitario, Milan, Italy |
| 1991 | Clinica Chirurgica I, Padua, Italy |
| 1991 | Istituto di Clinica Medica, Palermo, Italy |
| 1991 | Clinica Chirurgica 1, Padova, Italy |
| 1989 | Third Department of Pathology, Padua, Italy |
| 1981 – 1982 | Università Ca’ Foscari Venezia, Venice, Italy |
