1. Churchill Cancer Centre, Oxford University Hospital NHS Foundation Trust , Oxford , UK
2. Centro di Ricerca in Chirurgia delle Ghiandole Endocrine e dell’Obesità, Università Cattolica del Sacro Cuore , Rome , Italy
3. Endocrine Surgery Unit, Hospital Fatebenefratelli Isola Tiberina—Gemelli Isola , Rome , Italy
4. Department of Endocrine and Metabolic Surgery, Aix-Marseille University, Hôpital de La Conception , Marseille , France
5. Endocrine Surgery Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua , Padua , Italy
6. Department of General Surgery, Koc University School of Medicine , Istanbul , Turkey
7. Department of General and Endocrine Surgery, Medlife-Humanitas Hospital , Cluj-Napoca , Romania
8. Department of Surgery and Minimally Invasive Surgery, Kliniken Essen-Mitte , Essen , Germany