1. Sahin Sevil:
Sakarya Üniversity School of Health, Sakarya, Turkey
2. Ozdemir Kevser:
Sakarya Üniversity School of Health, Sakarya, Turkey
3. Unsal Aleattin:
Eskisehir Osmangazi University, Medical Faculty, Public Health Department, Eskisehir, Turkey
4. Dogu Ozlem:
Sakarya Training and Research Hospital, Sakarya, Turkey