Acknowledgment
We are grateful to the department of Blood Transfusion affiliated with Hiroshima University Hospital for the measurement of the anti-human neutrophil antigen antibody. S. G. planed and performed experiments, analyzed data, and wrote the article. S. H. performed experiments and provided experimental assistance. S. K. and H. K. provided experimental assistance. S. O. and M. K. discussed the results and reviewed the article.