1. Department of Obstetrics and Gynecology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin 150040, China
2. Heilongjiang University of Chinese Medicine, Harbin 150040, China
3. Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang 550000, China
4. Shenzhen Lachesis Mhealth Co., Ltd., Shenzhen 51800, China
5. Dalian Municipal Women and Children’s Medical Center, Dalian 116037, China