1. Department of Orthopedics, Xiaoshan District Hospital of Traditional Chinese Medicine of Hangzhou, No 156 Yucai Road, Chengxiang Street, Xiaoshan District, Hangzhou city, Zhejiang province, 311201, China
2. Department of Orthopedics, Shaoxing Hospital of Traditional Chinese Medicine, No 641 Renmin Zhong Road, Yuecheng District, Shaoxing City, Zhejiang Province, 312000, China
3. Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine. No 355 Xinqiao Road, Dinghai District, Zhoushan City, Zhejiang Province, 316000, China