1 City University of New York School of Public Health and Hunter College, New York, NY, USA and School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China City University of New York School of Public Health and Hunter College, New York, NY, USA and School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China mschooli@hunter.cuny.edu.
2 City University of New York School of Public Health and Hunter College, New York, NY, USA and School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China.