Spatiotemporal Analysis of Online Purchase of HIV Self-testing Kits in China, 2015-2017: Longitudinal Observational Study

Yi Lv   ^{1 *} , PhD ;   Qiyu Zhu   ^{1 *} , MPH ;   Chengdong Xu   ^{2 *} , PhD ;   Guanbin Zhang   ^{3, 4 *} , PhD ;   Yan Jiang   ⁵ , MD, PhD ;   Mengjie Han   ¹ , MPH ;   Cong Jin   ¹ , PhD

¹ National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

² State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China

³ National Engineering Research Center for Beijing Biochip Technology, Beijing, China

⁴ Department of Infectious Diseases, 404 Hospital of Mianyang, Sichuan, China

⁵ Chinese Association of STD and AIDS Prevention and Control, Beijing, China

*these authors contributed equally