1. Department of Internal Medicine, Division of Endocrinology, Erasmus MC, Rotterdam, The Netherlands
2. Department Human Disease and Genomics Group, Institute of Science and Technology in Medicine, School of Medicine, Keele University, Keele, United Kingdom
3. Laboratory of Endocrine and Metabolic Research, Istituto Auxologico Italiano IRCCS, Milan, Italy
4. Department of Clinical Sciences and Community Health (DISCCO), University of Milan, Milan, Italy