Fukushima, Hidetada
Asai, Hideki
Seki, Tadahiko
Takano, Keisuke
Bolstad, Francesco
Article History
Received: 15 March 2020
Accepted: 26 May 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: This study was approved by the ethical committee of Nara Medical University.All participants were informed about this study and written consents were obtained.
: Not applicable
: There are no competing interests to declare in this study.