Affiliation: | 1.Department of Endocrinology and Clinical Nutrition,Hospital Ramón y Cajal,Madrid,Spain;2.Department of Surgery,Hospital Ramón y Cajal,Madrid,Spain;3.Department of Nuclear Medicine,Hospital Ramón y Cajal,Madrid,Spain;4.Department of Biochemistry,Hospital Ramón y Cajal,Madrid,Spain;5.Unit of Obesity Surgery,Hospital Ramón y Cajal,Madrid,Spain |