Authorship list
Takeshi Tadokoro: Drafted the manuscript, reviewed and edited the
manuscript, and participated in patient care.
Koichi Oishi: Reviewed and edited the manuscript, and participated in
patient care
Yosuke Namba: Read and approved the final manuscript
Tomoaki Bekki: Read and approved the final manuscript
Sho Okimoto: Read and approved the final manuscript
Shoichiro Mukai: Read and approved the final manuscript
Yasufumi Saito: Read and approved the final manuscript
Seiji Fujisaki: Read and approved the final manuscript
Mamoru Takahashi: Read and approved the final manuscript
Teruo Mouri: Undertook endoscopic treatment
Toshihiro Nishida: Made a pathological diagnosis
Toshikatsu Fukuda: Read and approved the final manuscript