1. The State Key Laboratory of Pharmaceutical Biotechnology; College of Life Sciences; Nanjing University; Nanjing P. R. China
2. Department of Biological Sciences; National University of Singapore; Singapore
3. Department of Physiology; Yong Loo Lin School of Medicine; National University of Singapore; Singapore
4. Interdisciplinary Research Group in Infectious Diseases; Singapore-MIT Alliance for Research & Technology (SMART); Singapore
5. Clinical Research Institute; Zhejiang Provincial People's Hospital; Hangzhou P. R. China
6. NUS Graduate School for Integrative Sciences and Engineering; National University of Singapore; Singapore