1 Honorary tutor, Institute of Medical and Health Sciences Education, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong; n.sharma@qmul.ac.uk. Daniel C.K. Yu Professor in Rheumatology and Clinical Immunology, and chair of rheumatology and clinical immunology, Department of Medicine, University of Hong Kong, Hong Kong. Associate professor and director, eLearning Pedagogical Support Unit, University of Hong Kong, Hong Kong. Instructional designer, eLearning Pedagogical Support Unit, University of Hong Kong, Hong Kong.