Author contribution
All authors contributed significantly. Ayumi Inoue, Akihiro Katayama, Mihiro Sue, Momoka Hasegawa, Takahiro Ishii, Masafumi Tenta, Yuichi Matsushita, Masaya Takeda, and Toshiyuki Wakatsuki treated the patient. Ayumi Inoue, Akihiro Katayama, Megumi Maeda, Masaki Matoba and Remi Kuribayashi contributed the design of the work. Ayumi Inoue and Akihiro Katayama wrote the manuscript in consultation with Izumi Iseda and Kazuyuki Hida.