1. Department of Medical Research, LCH Adult Clinic, 251 Hellenic Air Force General Hospital, Athens, Greece
2. St Thomas’ Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
3. Endocrinology Unit, 1st Department of Propedeutic Internal Medicine, National and Kapodistrian University of Athens Medical School, LAIKO General Hospital of Athens, Athens, Greece
4. Division of Pediatric Hematology-Oncology, Baylor College of Medicine, Houston, USA
5. Laboratory of Immunobiology, Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece