Division of Endocrinology, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands. Servicio de Endocrinología y Nutrición, Hospital Universitario de Asturias, Oviedo, Spain. Comprehensive Cancer Center Mainfranken, University of Würzburg, Würzburg, Germany. Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK. Department of Oncology, University of Turin, Orbassano, Turin, Italy. Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands. Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences 'Mario Serio', University of Florence, Florence, Italy. Departments of Internal Medicine and Endocrinology, Máxima Medical Center, Eindhoven, The Netherlands. Instituto Universitario de Oncologia del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain. Division of Endocrinology and Diabetes, Department of Internal Medicine, University Hospital, University of Würzburg, Würzburg, Germany. Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands. Division of Pathological Anatomy, University of Florence, Florence, Italy. Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands.