Chang, Jing
Gao, Yun
Fang, Xiang-Yang
Zhao, Su-Mei
Hou, Yuan-Ping
Sun, Qian-Mei https://orcid.org/0000-0002-1928-7772
Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Z171100000417055)
Article History
Received: 4 June 2019
Accepted: 24 February 2020
First Online: 4 May 2020
Ethics approval and consent to participate
: The clinical study was approved by the Medical Ethics Committee of Beijing Chaoyang Hospital, Capital Medical University and informed written consent was obtained from participants prior to data collection.
: Personal information about potential and enrolled participants will not be published.
: The authors declare that they have no competing interests.