1. Laboratory of Molecular Virology and Epidemiology, AIDS Research Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan.
2. Institute of Dermatology, Chinese Academy of Medical Sciences, 12 Jiangwangmiao Road, Nanjing 210042, The People's Republic of China.
3. Kunming University of Science and Technology, Kunming, Yunnan 650224, The People's Republic of China.
4. Yunnan Provincial Health and Anti-epidemic Center, 158 Dongsi Road, Kunming 650022, The People's Republic of China.
5. Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, The People's Republic of China.
6. Kunming Chinaware Biotechnology, Yunnan 650106, The People's Republic of China.