1. Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece;
2. Department of Dietetics and Nutrition, AHEPA University Hospital, Thessaloniki, Greece;
3. Laboratory of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece;
4. School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Surrey, United Kingdom