Shunjie Chua1, Mark Pitts2, Peter Lemark3. 1. Ng Teng Fong General Hospital, Singapore ; Dermatology Outcomes Collaboration, University of Chicago, Chicago, IL, USA. 2. Dermatology Outcomes Collaboration, University of Chicago, Chicago, IL, USA ; Pritzker School of Medicine, University of Chicago, Chicago, IL, USA. 3. Dermatology Outcomes Collaboration, University of Chicago, Chicago, IL, USA ; Booth School of Business, University of Chicago, Chicago, IL, USA. shunjie.chua@mohh.com.sg.