Article History
Received: 18 November 2020
Revised: 10 February 2021
Accepted: 13 February 2021
First Online: 9 April 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Approval was obtained from the ethics committee of Kawasaki Medical School (Ethics approval number: 2768).
: Ethical approval was waived by the ethics committee of Kawasaki Medica School in view of the retrospective nature of the study and all the procedures being performed were part of the routine care.
: Authors are responsible for correctness of the statements provided in the manuscript. The Editor-in-Chief reserves the right to reject submissions that do not meet the guidelines described in this section.