Article History
Received: 19 February 2020
Revised: 13 April 2020
Accepted: 19 May 2020
First Online: 29 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The research was conducted in accordance with the guiding principles of the Declaration of Helsinki and approved by the institutional review board of Kansai Medical University.