1. Doctoral School, ‘Ovidius’ University of Constanta, Faculty of Medicine, 900527 Constanta, Romania
2. Department of Physical Medicine and Rehabilitation, Balneal and Rehabilitation Sanatorium of Techirghiol, 906100 Techirghiol, Romania
3. Department of Oncology, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
4. Department of Gastroenterology, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
5. Department of Urology, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
6. Department of Endocrinology, County Clinical Emergency Hospital of Constanta, 900591 Constanta, Romania
7. Department of Diabetes, Nutrition and Metabolic Diseases, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania