1. Department of Medical Education, Tehran University of Medical Sciences, Tehran, Iran;
2. Department of Internal Medicine, Tehran University of Medical Sciences, Tehran, Iran;
3. Health Professions Education Research Center, Tehran University of Medical Sciences, Tehran, Iran;
4. Liver and Pancreatobiliary Diseases Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran;
5. Medical-Surgical Department, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran;
6. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran;
7. Institute of Health Science Education, McGill University, Montreal, Canada