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.