1. 1 Department of Pediatrics and Choremeion Research Laboratory; National and Kapodistrian University of Athens; Athens Greece
2. Endocrine and Metabolic Bone Disorders Unit; 2 Department of Internal Propaedeutic Medicine; Research Institute and Diabetes Center; Attikon University Hospital; Athens Medical School; National and Kapodistrian University of Athens; Athens Greece
3. BIOTEKNA Co.; Venice Italy
4. Biomedical Research Foundation; Academy of Athens; Athens Greece