1. Department of Psychiatry, University of Hong Kong, Hong Kong SAR, China
2. Department of Psychiatry, Queen Mary Hospital, Hong Kong SAR, China
3. School of Nursing, Hong Kong Polytechnic University, Hong Kong SAR, China
4. Maternal Mental Health, Waitemata District Health Board, Takapuna, Auckland, New Zealand
5. Chinese University of Hong Kong, Hong Kong SAR, China
6. Hong Kong Institute of Integrative Medicine, Chinese University of Hong Kong, Hong Kong SAR, China