1. The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong.
2. Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong.
3. Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong.
4. Institute of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong.
5. State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong.
6. Division of Life Science and Center for Chinese Medicine, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong.