Tu, Zhihao
He, Jingwen
Zhou, Na
Shen, Xinghua
Article History
Received: 19 January 2021
Accepted: 10 March 2021
First Online: 20 March 2021
Declarations
:
: Study participants completed a written informed consent. The study procedures were approved by the Ethics Comittee of the Second Military Medical University. Human rights and ethics issues were taken into consideration when the survey was designed. Study conducted is in accordance with Helsinki guidelines. Written consent was obtained from each participant following a detail explanation about the purpose of the study. Participation in the study was voluntary and anonymous, and participants’ information was kept completely condential.
: The authors declare that they have no competing interests.