1 Department of Medical and Dental Education, Shifa College of Dentistry, Shifa Tameer-e-Millat University, Islamabad, Pakistan.
2 Department of Medicine and Brigham Education Institute, Brigham and Women's Hospital Medicine, Harvard Medical School, Boston, MA, USA.
3 NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Nutrition and Movement Sciences, Maastricht University, Maastricht, MD, The Netherlands.
4 Department of Educational Development and Research, School of Health Professions Education (SHE), Maastricht University, Maastricht, The Netherlands.