Article History
Received: 10 January 2020
Revised: 7 December 2020
Accepted: 11 December 2020
First Online: 2 February 2021
Change Date: 31 July 2023
Change Type: Correction
Change Details: This article has been retracted. Please see the Retraction Notice for more detail:
Change Details: https://doi.org/10.1038/s41417-023-00649-4
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest
: The study was approved by the Institutional Review Board of Linyi People’s Hospital and in accordance with the declaration of Helsinki. Written informed consent was obtained from each participant.