Oka, Hisayoshi
Umehara, Tadashi
Nakahara, Atsuo
Matsuno, Hiromasa
Article History
Received: 6 October 2019
Accepted: 10 September 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The Jikei University School of Medicine, and all subjects gave written informed consent before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.