1. Department of Dermatology; Kecioren Training and Research Hospital; Ankara Turkey
2. Department of Cardiology; Gulhane Medical Academy; Etlik-Ankara Turkey
3. Department of Clinical Chemistry; University College London Medical School; University College London; London U.K
4. Department of Internal Medicine; Gulhane Medical Academy; Etlik-Ankara Turkey
5. Department of Clinical Chemistry; Gulhane Medical Academy; Etlik-Ankara Turkey
6. Department of Epidemiology; Gulhane Medical Academy; Etlik-Ankara Turkey