Received: 13 September 2019
Accepted: 21 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: This study was approved by the Medicine Ethics Committee of Kanazawa Medical University. The research reported in this paper was in compliance with the Helsinki Declaration. We obtained informed consent by description from the patients.
: Not applicable.
: The authors declare no competing interest in connection with this study.