1. Department of Gynecology and Obstetrics, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou City, Zhejiang Province, China
2. Department of Massage, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou City, Zhejiang Province, China
3. School of Rehabilitation Science, Nanjing Normal University of Special Education, Nanjing City, Jiangsu Province,China