**Author details**

Nobumi Tagaya\* , Nana Makino, Kazuyuki Saito, Takashi Okuyama, Yoshitake Sugamata and Masatoshi Oya

\*Address all correspondence to: tagaya@dokkyomed.ac.jp

Department of Surgery, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saita‐ ma, Japan
