1. Al Baha University; Department of Prosthodontics, Faculty of Dentistry; Al Baha Saudi Arabia
2. King George's Medical University; Department of Prosthodontics, Crowns and Bridges; Shahmina Road Faculty of Dental Sciences Lucknow Uttar Pradesh India 226003
3. Rajah Muthiah Dental College & Hospital; Department of Prosthodontics; Annamalai University Annamalai Nagar Tamilnadu India 608002
4. M.E.S. Dental College; Department of Prosthodontics; Palachode P.O. Perinthalmanna Malappuram Kerala India 679338
5. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Cochrane Oral Health; J R Moore Building, Oxford Road Manchester UK
6. Christian Medical College; Cochrane South Asia, Prof. BV Moses Center for Evidence-Informed Health Care and Health Policy; Carman Block II Floor CMC Campus, Bagayam Vellore Tamil Nadu India 632002