Institution: | 1. Endocrine Surgery Unit, Department of Surgery, Virgen de las Nieves University Hospital, Granada, Spain;2. Endocrine Surgery Unit, Department of Surgery, Virgen Macarena University Hospital, Sevilla, Spain;3. Endocrine Surgery Unit, Department of Surgery, Complejo Hospitalario de Navarra, Pamplona, Spain;4. Endocrine Surgery Unit, Department of Surgery, Virgen del Rocio University Hospital, Sevilla, Spain;5. Endocrine Surgery Unit, Department of Surgery, Meixoeiro Hospital, Vigo, Spain;6. Department of Surgery, Complejo Hospitalario de Jaen, Jaen, Spain;g Endocrine Surgery Unit, Department of Surgery, Basurto University Hospital, Bilbao, Spain;h Endocrine Surgery Unit, Department of Surgery, Bellvitge University Hospital, Barcelona, Spain;i Endocrine Surgery Unit, Department of Surgery, Clinic University Hospital, Valencia, Spain;j Endocrine Surgery Unit, Department of Surgery, Cruces University Hospital, Baracaldo, Spain |