1. Department of Medical Biology, Medical Faculty, Mersin University, Mersin, Turkey.
2. School of Medical and Health Sciences, Edith Cowan University, Perth, Australia.
3. Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, P.R. China.
4. Department of Biostatistics and Medical Informatics, Medical Faculty, Duzce University, Duzce, Turkey.