1. Department of Family Medicine, School of Medicine, Kafkas University, 36000 Kars, Turkey
2. Centre of Epidemiology and Biostatistics, School of Population and Global Health, University of Melbourne, Parkville, VIC 3052, Australia
3. Department of Family Medicine, Bozüyük State Hospital, 11300 Bilecik, Turkey
4. Department of Public Health, School of Psychology & Public Health, La Trobe University, Bundoora, VIC 3086, Australia
5. Department of Family Medicine, Ankara Bilkent City Hospital, University of Health Sciences, 34668 İstanbul, Turkey