1. Graduate School, Anhui University of Chinese Medicine, Hefei City, China.
2. Department of Acupuncture, Faculty of Traditional Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam.
3. Department of Acupuncture, University Medical Center Ho Chi Minh City, Ho Chi Minh City, Vietnam.
4. Department of Traditional Medicine Administration, Ministry of Health, Ha Noi City, Vietnam.