AUTHOR CONTRIBUTIONS
MK is the principal investigator and takes primary responsibility for the manuscript content; he designed this study, interpreted the data, wrote the manuscript, and approved its final version. SI and YN evaluated the patient, collected and interpreted the data, and wrote the manuscript. KW, MH, MS, SK, YY, MT, TW, JF, HK, and TU evaluated the patients and collected data. All authors discussed the results and critically reviewed the manuscript.