Published on in Vol 6, No 10 (2018): October
1 Shenzhen University, Shenzhen, China
2 University of North Carolina Project - China, Guangzhou, China
3 SESH (Social Entrepreneurship to Spur Health), Guangzhou, China
4 Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen, China
5 School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
6 Malawi Epidemiology and Intervention Research Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom
*these authors contributed equally