Xiao, Ya-Ping
Bei, Ming-Jian
Yan, Cui-Qing
Chang, Jian-Zhong
Article History
Received: 7 June 2020
Accepted: 21 December 2020
First Online: 5 January 2021
Ethics approval and consent to participate
: This study were approved by the institutional review boards/Ethics Committees of CR & WISCO General Hospital, and was conducted in compliance with the ethical principles of the Helsinki Declaration of 1975. Oral informed consent was obtained from the patients or their family members.
: Not applicable.
: No potential conflict of interest relevant to this article was reported.