Ishii, Yasutaka https://orcid.org/0000-0003-3545-8743
Serikawa, Masahiro
Tsuboi, Tomofumi
Kawamura, Ryota
Tsushima, Ken
Nakamura, Shinya
Hirano, Tetsuro
Fukiage, Ayami
Ikemoto, Juri
Kiyoshita, Yusuke
Saeki, Sho
Tamura, Yosuke
Chayama, Kazuaki
Article History
Received: 18 March 2020
Accepted: 17 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and was approved by the ethics committee of Hiroshima University Hospital (approval No. E-1564). Written informed consent was obtained from all patients and their families before ERCP and POCS were performed.
: Not applicable.
: The authors declare that they have no competing interests.