Received: 7 February 2021
Accepted: 13 June 2021
First Online: 12 July 2021
: The study protocol was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of Beijing Chao-Yang Hospital, Beijing, China (# 2018-ke-321). All patients enrolled completed the informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.