1School of Dentistry, Isfahan University of Medical Sciences, Isfahan

2Research Center for Evidence-based Medicine, Iranian EBM Centre: A JBI Centre of Excellence, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz

3Department of Endodontics, Dental Research Center, Dental Research Institute, School of Dentistry

4Department of Oral Public Health, Dental Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan

5Department of Ophthalmology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

Correspondence: Dr Ali Mostafaei, Department of Ophthalmology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz 5165665931, Iran. Tel: +98 914 441 4979; e-mail: [email protected]