1. Department of Epidemiology, School of Health, Arak University of Medical Sciences, Arak, Iran.
2. Traditional and Complementary Medicine Research Center (TCMRC), Arak University of Medical Sciences, Arak, Iran.
3. Department of Medical Ethics and Law, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
4. Department of Biostatistics and Epidemiology, Babol University of Medical Sciences, Babol, Iran.
5. Department of Community Medicine, School of Medicine, Dezful University of Medical Sciences, Dezful, Iran.
6. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.