[1] Ohio State University,Division of Orthodontics, College of Dentistry
[2] Suez Canal University,Faculty of Dentistry
[3] Umm Al-Qura University,Department of Orthodontics, School of Dental Medicine
[4] Case Western Reserve University,Division of Restorative, Prosthetic and Primary Care Dentistry, College of Dentistry
[5] Ohio State University,undefined