Ye, Xiangxiang
Qi, Yongjun http://orcid.org/0000-0001-7813-922X
Deng, Jianhua
Yang, Yang
Mo, Ting
Xu, Mao
Liu, Wanjun
Article History
Received: 29 November 2019
Accepted: 2 June 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: All procedures followed the tenets of the Declaration of Helsinki. This study obtained approval from the ethical committee of Guangdong Hospital of Traditional Chinese Medicine, Zhuhai, China. No informed consent was obtained due to the retrospective nature of this study.
: Not applicable.
: The authors declare that they have no competing interests.