1. Department of Prosthetic Dentistry and Dental Materials, Division of Dental Propaedeutics and Esthetic Dentistry, Faculty of Dentistry, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
2. Department of Medical Education, Division of Medical Informatics and Biostatistics, Faculty of Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.