Received: 9 January 2021
Accepted: 6 May 2021
First Online: 22 July 2021
: This study was approved by the Medical Ethics Committee of Peking Union Medical College Hospital (ZS-1358) and carried out in accordance with the Helsinki Declaration on experimentation involving human subjects. All patients signed informed consent.
: Not applicable.
: LC is an employee of Geneplus-Beijing (Beijing, China). The other authors have declared no competing interest.