1. Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
2. Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
3. Department of Pediatric Dentistry, Faculty of Dentistry, Shahed University, Tehran, Iran
4. Department of Orthodontics, Mashhad University of Medical Sciences, School of Dentistry, Mashhad, Iran
5. Cochrane Iran Associate Centre, National Institute for Medical Research Development (NIMAD), Tehran, Iran
6. School of Dentistry, Islamic Azad University Tehran Medical Sciences, Tehran, Iran
7. School of Dentistry, Yasuj University of Medical Sciences, Yasuj, Iran
8. Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
9. Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok 10400, Thailand