1. International Institute of Medicine, Zhejiang University, Yiwu, Zhejiang, China
2. The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China
3. Center for Educational Development and Research in health sciences (CEDAR), LEARN, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
4. National Centre for Health Professions Education Development/Institute of Medical Education, Peking University, Beijing, China