AUTHOR INFORMATION

Affiliations

Department of Digestive and General Surgery, University of Ryukyus
207 Uehara, Nishihara, Okinawa, Japan
Ph: +81-98-895-1163/Fax: +81-98-895-1421
Email: h116638@med.u-ryukyu.ac.jp

Contributions

All authors contributed to the acquisition and analysis of data. YU was major contributors in writing the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Yasunori Uesato, M.D.