Uptake of an App-Based Case Management Service for HIV-Positive Men Who Have Sex With Men in China: Process Evaluation Study

Xiaoyan Fan   ^{1, 2 *} , MMed ;   Ke Ning   ^{2 *} , PhD ;   Cong Liu   ³ , BN ;   Haidan Zhong   ³ , BN ;   Joseph T F Lau   ^{4, 5} , PhD ;   Chun Hao   ^{1, 6, 7} , PhD ;   Yuantao Hao   ^{1, 8} , PhD ;   Jinghua Li   ^{1, 6, 7} , PhD ;   Linghua Li   ³ , MD, PhD ;   Jing Gu   ^{1, 6, 7} , PhD

¹ Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China

² School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China (Hong Kong)

³ Infectious Disease Centre, Guangzhou Eighth People's Hospital, Guangzhou, China

⁴ Centre for Health Behaviors Research, School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

⁵ Centre for Medical Anthropology and Behavioral Health, Sun Yat-sen University, Guangzhou, China

⁶ Sun Yat-sen Global Health Institute, Sun Yat-sen University, Guangzhou, China

⁷ Centre for Health Information Research, Sun Yat-sen University, Guangzhou, China

⁸ Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China

*these authors contributed equally