1. Outpatient Department of Cardiometabolic Medicine, Second Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Second Department of Internal Medicine, European Interbalkan Medical Center, Thessaloniki, Greece
3. Laboratory of Cardiovascular Endocrinology, IRCCS San Raffaele, Rome, Italy
4. Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy
5. Diabetes,Nutrition and Metabolic diseases Department, ”Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania
6. School of Medicine, Department of Health Promotion, Mother and Child Care (Promise), Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy