Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Yingjiang County People's Hospital, Yingjiang 679300, China;
Dehong Dai and Jingpo Autonomous Prefecture Hospital of Traditional Chinese Medicine, Mangshi 678400, China;
Lianghe County People's Hospital, Lianghe 679200, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China;
Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Dehong Dai and Jingpo Autonomous Prefecture Center for Disease Control and Prevention, Mangshi 678400, China;
Dehong Dai and Jingpo Autonomous Prefecture People's Hospital, Mangshi 678400, China;
Dehong Dai and Jingpo Autonomous Prefecture People's Hospital, Mangshi 678400, China;
Mangshi City People's Hospital, Mangshi 678400, China;
Ruili City People's Hospital, Ruili 678600, China;
Longchuan County People's Hospital, Longchuan 678700, China;