1. Department of Acupuncture and Moxibustion, Guangdong Provincial Hospital of TCM, Guangdong, Guangzhou, China.
2. Post-Doctoral Research Station of Guangzhou University of Chinese Medicine, Guangzhou, China.
3. The First Clinical College of Wenzhou Medical University, Zhejiang, China.
4. Division of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ.
5. Guangzhou University of Chinese Medicine, Guangzhou, China.
6. School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong.
7. Primary Registry of WHO ICTRP, Chinese Clinical Trial Registry, Chinese Evidence-Based Medicine Center, Chinese Cochrane Center, West China Hospital, Sichuan University, Chengdu, China.
8. Epidemiology Center, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China.