1. Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
2. Diabetes and Metabolism Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW 2010, Australia
3. Faculty of Medicine, St. Vincent’s Clinical School, UNSW Sydney, NSW 2052, Australia
4. Department of Cardiology, Southwest Hospital, Third Military Medical University (Army Medical University), China