1. Sección de Endocrinología y Nutrición, Hospital General Universitario Santa Lucia, Cartagena, Spain
2. Second Department of Internal Medicine, Tzanio General Hospital, Piraeus, Greece
3. N.S. Christeas Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, Athens, Greece
4. Unit of Endocrinology and Diabetes Center, Athens General Hospital ¨G. Gennimatas¨, Athens, Greece
5. First Department of Pediatrics, Agia Sofia Children’s Hospital, National and Kapodistrian University of Athens, Athens, Greece
6. Department of Primary Care, Centro de Salud Beniel, Murcia, Spain
7. Department of Pulmonology, Laiko General Hospital, Athens, Greece