1. The University of Hong Kong, Hong Kong, China
2. Queen Elizabeth Hospital, Hong Kong, China
3. The University of Hong Kong Clinical Centre for Teaching and Research in Chinese Medicine (Aberdeen), Hong Kong, China
4. Shen Zhen Hospital of Traditional Chinese Medicine, Shenzhen, China
5. University of California, San Francisco, CA, USA
6. Virginia University of Integrative Medicine, Fairfax, VA, USA