1. Department of Cardiology, Gulhane Medical Academy, Ankara, Turkey
2. Department of Cardiology, Eskisehir Military Hospital, Eskişehir, Turkey
3. Department of Nephrology, Gulhane Medical Academy, Ankara, Turkey
4. Department of Endocrinology, Haydarpasa Training Hospital, Gulhane Medical Academy, Istanbul, Turkey
5. Department of Endocrinology, Gulhane Medical Academy, Ankara, Turkey
6. Department of Epidemiology, Gulhane Medical Academy, Ankara, Turkey
7. Department of Clinical Biochemistry, Gulhane Medical Academy, Ankara, Turkey
8. Clinica Medica, Università Milano-Bicocca, Milan, Italy
9. Istituto di Ricerca a Carattere Scientifico IRCCS Multimedica, Sesto San Giovanni, Milano, Italy