1. Department of Obstetrics and Gynecology, Faculty of Medicine, Chiang Mai University, Chiang Ma, Thailand;
2. Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand;
3. Heart of England NHS Foundation Trust, Birmingham, UK;
4. Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK