Luo, Weizhan
Zeng, Yunxiang
Shen, Panxiao
He, Jianxing
Wang, Jinlin
Funding for this research was provided by:
The study was supported by grants from the Foundation of Guangzhou Institute of Respiratory Health (GIRH201503)
Article History
Received: 19 September 2019
Accepted: 5 March 2020
First Online: 3 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the First Affiliated Hospital of Guangzhou Medical University. A written informed consent was obtained from each participant.
: Not applicable
: The authors declare that they have no competing interests.