1. Center for Rural Health, School of Health Sciences, University of Tasmania, Tasmania, Australia
2. Dr. Mohammad Hashem Hamah’s Curative Clinic, Andkhoy, Faryab, Afghanistan; Faculty of Stomatology, Kunduz University, Kunduz, Afghanistan
3. Dr. Mohammad Hashem Hamah’s Curative Clinic, Andkhoy, Faryab, Afghanistan; Faculty of Medicine, Arya University, Mazar-i-Sharif, Afghanistan
4. Dr. Mohammad Hashem Hamah’s Curative Clinic, Andkhoy, Faryab, Afghanistan
5. Faculty of Dentistry, AbantIzzet Baysal University, Bolu, Turkey
6. Department of Biostatistics, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
7. Environmental Health Research Center, School of Health, Golestan University of Medical Sciences, Gorgan, Iran