Funding for this research was provided by:
the Emergency Response Project for New Coronavirus of Science and Technology Department of Sichuan Provincial (2020YFS0005, 2020YFS0009)
Special Funds for COVID-19 Prevention and Control of West China Hospital of Sichuan University (HX-2019-nCoV-068)
Science and Technology Benefit People Project of Chengdu Municipality (2016-HM02-00099-SF)
Received: 25 June 2020
Accepted: 7 October 2020
First Online: 27 October 2020
Ethics approval and consent to participate
: After institutional review board approval was provided at each institution, written informed consent was obtained from each patient or the patient’s legally authorized surrogate before conducting study-specific procedures.
: Not applicable.
: The authors have no conflict of interest to declare.