1 Department of Clinical, Diagnostic and Pediatric Sciences, University of Pavia Polo Didattico, "Cesare Brusotti" Viale Brambilla, 74, 27100, Pavia, Italy; IRCCS Policlinico San Matteo Foundation, General Surgery. Viale Camillo Golgi, 19, 27100, Pavia, Italy.
2 Department of Management, Lincoln International Business School, University of Lincoln, Brayford Wharf E, Lincoln, LN5 7AT, UK; Ipazia, Observatory on Gender Research, Via Del Castro Laurenziano, 9, 00161, Rome, Italy.
3 Department of Management, Ca' Foscari University, Cannaregio 873, 30121, Venice, Italy.
4 Department of Pain Medicine, Hospital of Latisana (ASUFC), Via Sabbionera, 45, 33053, Latisana, Italy.
5 Ipazia, Observatory on Gender Research, Via Del Castro Laurenziano, 9, 00161, Rome, Italy.
6 Department of Pediatric Surgery V. Buzzi Children Hospital, Via Lodovico Castelvetro, 32, 20154, Milan, Italy.
7 National Center for Oncological Hadrontherapy (Fondazione CNAO), Str. Campeggi, 53, 27100 Pavia, Italy.
8 Department of Pain Medicine, IRCCS C.R.O. National Cancer Institute of Aviano, Via Franco Gallini, 2, 33081, Aviano, Italy.
9 Department of Surgery and MacLean Center for Clinical Medical Ethics, The University of Chicago, 5841 S. Maryland Avenue, MC 4052, Chicago, IL, 60637, USA. Electronic address: pangelos@surgery.bsd.uchicago.edu.