Department of Endocrinology and Nutrition, Health Sciences Research Institute & University Hospital Germans Trias i Pujol, Badalona, Spain; Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain. Department of Endocrinology and Nutrition, Health Sciences Research Institute & University Hospital Germans Trias i Pujol, Badalona, Spain; Center for Biomedical Research on Diabetes and Associated Metabolic Diseases (CIBERDEM), Spain. Biostatistics Unit, Institut de Recerca Biomèdica de Lleida, Spain. Vascular and Renal Translational Research Group. Institut de Recerca Biomèdica de Lleida, Spain. Department of Endocrinology and Nutrition, Health Sciences Research Institute & University Hospital Germans Trias i Pujol, Badalona, Spain; Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain; Center for Biomedical Research on Diabetes and Associated Metabolic Diseases (CIBERDEM), Spain. Methodological and Biostatistical Advisory Service, Institut Hospital del Mar d'Investigacions Mèdiques, Barcelona, Spain. Folkhälsan Institute of Genetics, Folkhälsan Research Center, Helsinki, Finland; Abdominal Center Nephrology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland; Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland; Baker IDI Heart and Diabetes Institute, Melbourne, Australia. Department of Endocrinology and Nutrition, Health Sciences Research Institute & University Hospital Germans Trias i Pujol, Badalona, Spain; Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain; Center for Biomedical Research on Diabetes and Associated Metabolic Diseases (CIBERDEM), Spain. Electronic address: nalonso32416@yahoo.es. Department of Medicine, Barcelona Autonomous University (UAB), Barcelona, Spain; Center for Biomedical Research on Diabetes and Associated Metabolic Diseases (CIBERDEM), Spain; Department of Endocrinology and Nutrition, University Hospital de la Santa Creu i Sant Pau & Institut d'Investigació Biomédica Sant Pau (IIB Sant Pau), Barcelona, Spain. Electronic address: didacmauricio@gmail.com.