1. Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA;
2. Research and Scholarship, Harvard Macy Institute, Boston, MA, USA;
3. Department of Educational Development and Research and the School of Health Professions Education, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands;
4. Department of Medicine (Respirology) and Wilson Centre for Research in Education, University of Toronto, Toronto, Canada