1) Department of Surgery, Division of Gastroenterological, General, and Transplant Surgery, Jichi Medical University, Shimotsuke, Japan
2) Department of Surgery, Division of Chest Surgery, Jichi Medical University, Shimotsuke, Japan
3) Department of Dermatology, Jichi Medical University, Shimotsuke, Japan
4) School of Nursing, Jichi Medical University, Shimotsuke, Japan
5) Division of Nursing, Jichi Medical University Hospital, Shimotsuke, Japan

Atsushi Shimizu¹⁾, Kentaro Kurashina¹⁾, Hideki Sasanuma¹⁾, Shunsuke Endo²⁾, Mamitaro Otsuki³⁾, Reiko Murakami⁴⁾, Sanae Haruyama⁴⁾, Megumi Watai⁵⁾, Sachiko Oshiba⁵⁾, Naohiro Sata¹⁾