Received: 28 January 2021
Accepted: 9 April 2021
First Online: 28 April 2021
: Institutional review board’s approval was obtained (approval no. 17300425).
: Not applicable.
: The authors declare that they have no competing interests.
: Written informed consent was obtained from all patients.
: The corresponding author has great statistical expertise.
: (1) Retrospective; (2) Diagnostic or prognostic study; (3) Performed at single centre.