1. Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2. Department of Epidemiology and Biostatistics, School of Public Health, Knowledge Utilization Research Center, Tehran University of Medical Science, Tehran, Iran
3. Social Development and Health Promotion Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
4. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Nutritional Sciences, School of Health, Arak University of Medical Sciences, Arak, Iran
6. Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, USA