1 Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
2 National Institute of Parasitic Diseases at Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, NHC Key Laboratory on Parasite and Vector Biology, Shanghai, China; School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Hainan Center of Tropical Diseases Research, Haikou, China. Electronic address: zhouxn1@chinacdc.cn.