Dai, Liang
Xu, Jingjuan
Liu, Baocheng
Dang, Yanqi
Wang, Ruirui
Zhuang, Lijie
Li, Dong
Jiao, Lulu
Wang, Jianying
Zhang, Lei
Zhong, Linda L. D.
Zhou, Wenjun
Ji, Guang
Article History
Received: 14 December 2020
Accepted: 25 June 2021
First Online: 26 April 2022
Compliance with ethics guidelines
: Liang Dai, Jingjuan Xu, Baocheng Liu, Yanqi Dang, Ruirui Wang, Lijie Zhuang, Dong Li, Lulu Jiao, Jianying Wang, Lei Zhang, Linda L.D. Zhong, Wenjun Zhou, and Guang Ji declare that they have no conflict of interest. The study protocol was approved by the Medical Ethics Committee of Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (No. 2017LCSY069) and registered at the Chinese Clinical Trial Registry (No. ChiCTR1800014364) on January 8, 2018. All three health centers acknowledged the ethical approval from the Medical Ethics Committee of Longhua Hospital. This trial was conducted strictly following the <i>Helsinki Declaration</i>. All participants provided a written inform consent before entering the study.