[1] Quirón Salud Madrid and Ruber Juan Bravo University Hospitals,Department of Endocrinology and Nutrition
[2] Universidad Europea de Madrid,Department of Internal Medicine, Endocrine Section, Clínica Universidad de los Andes and School of Medicine
[3] Universidad de los Andes,Department of Endocrinology and Metabolism
[4] Amsterdam UMC Location Vrije Universiteit Amsterdam,Vitamin D, Skin, and Bone Research Laboratory, Section Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine
[5] Boston University School of Medicine,undefined