Georgios Kyriakos1, Lourdes V Quiles-Sanchez2, Anna Garmpi3, Paraskevi Farmaki4, Konstantina Kyre5, Spyridon Gkogkos6, Spyridon Savvanis7, Eleni Memi8. 1. Seccion de Endocrinologia y Nutrition, Hospital General Universitario Santa Lucia, Cartagena, Spain. 2. Centro de Salud Jesús Marín, Murcia, Spain. 3. Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athen, Athens, Greece. 4. 1st Department of Pediatrics, "Aghia Sophia Children's Hospital" Medical School, National and Kapodistrian University of Athens, Athens, Greece. 5. Department of Internal Medicine, KAT General Hospital, Athens, Greece. 6. Department of Surgery, Health Center of Peristeri, Athens, Greece. 7. Department of Internal Medicine, General Hospital of Athens "Elpis", Athens, Greece. 8. Unit of Endocrinology, Diabetes Mellitus and Metabolism, Aretaieion University Hospital, Medical School of Athens, Ethnikon and Kapodistrian University of Athens, Athens, Greece.