1. Unit of Endocrine and Obesity Surgery, Department of General Surgery, Hospital Clinico Universitario, Valencia, Spain; Department of Surgery, University of Valencia, Valencia, Spain.
2. Unit of Endocrine and Obesity Surgery, Department of General Surgery, Hospital Clinico Universitario, Valencia, Spain.
3. Unit of Endocrine and Obesity Surgery, Department of General Surgery, Hospital Clinico Universitario, Valencia, Spain; Department of Surgery, University of Valencia, Valencia, Spain.