1. Hacettepe University Faculty of Medicine, Department of Public Health, Ankara, Turkey

2. Hacettepe University Institute of Public Health, Ankara, Turkey

3. University of Nebraska Medical Center, College of Public Health, Omaha, USA

4. University of Nebraska - Lincoln, College of Business, Omaha, USA

5. Emeritus Professor of Public Health Institute, Turkey

6. University of New York, Graduate School of Public Health and Health Policy, Center for Systems and Community Design, New York, USA