Funding for this research was provided by:
Shengjing Hospital Science and Technology Program (MC05)
Article History
Received: 21 November 2019
Accepted: 6 April 2020
First Online: 21 April 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: The study involved human participants.
: Informed consent was obtained from all eligible patients.