Funding for this research was provided by:
Nantong Science and Technology Bureau (JC2018069)
Article History
Received: 11 January 2020
Accepted: 6 May 2021
First Online: 20 May 2021
Declarations
:
: The study protocol was approved by the Medical Ethics Committee of the Sixth People’s Hospital of Nantong. Informed written consent was taken from each participant and this procedure was approved by the Medical Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.