Funding for this research was provided by:
National Science and Technology Planning Project (2011BAI11B00)
National Prevention and Control of Major Chronic Non-communicable Diseases (2016YFC1300304)
Received: 29 April 2020
Accepted: 20 October 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of the Chinese General PLA Hospital and was in accordance with standards set forth by the Declaration of Helsinki. All participants provided their written informed consent before officially entering in the study.
: All participants provided their informed consent.
: The authors declare that they have no competing interests.