Okuno, Hiroaki
Ogino, Haruei
Ihara, Eikichi
Nishioka, Kei
Tanaka, Yoshimasa
Chinen, Takatoshi
Kohjima, Motoyuki
Oono, Takamasa
Tanaka, Masatake
Goya, Takeshi
Fujimori, Nao
Iboshi, Yoichiro
Gotoda, Takuji
Ogawa, Yoshihiro
Article History
Received: 25 November 2020
Accepted: 11 January 2021
First Online: 16 February 2021
Ethics approval and consent to participate
: This study was conducted in accordance with the ethical principles of the Helsinki Declaration. The study protocol was approved by the institutional review boards of all the study sites involved. All patients agreed to participate and signed an informed consent form before participation, and all of them were informed of the potential but rare risk of bleeding during biopsy. This study has been registered with the Kyushu University Hospital under identification number 30–472.
: Consent for publication were obtained from all patients.
: Eikichi Ihara belongs to an endowed course supported by the companies including Ono Pharmaceutical Co., Ltd., Miyarisan Pharmaceutical Co. Ltd., Sanwa Kagaku Kenkyusho Co., Ltd., Otsuka Pharmaceutical Factory, Inc., Fujifilm Medical Co., Ltd., Terumo Corporation, Fancl Corporation, and Ohga Pharmacy. Takuji Gotoda receipts of honoraria from the companies including Fujifilm Holdings co., Fujifilm medical co. Ltd., Daiichi-sankyo co, Ltd. for giving educational lectures. All the other authors declare no competing interest with this study.