About the Authors

Hiroyuki Hirai

Affiliations Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, United States of America, Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, Minnesota, United States of America

Meri Firpo

Affiliations Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, United States of America, Division of Endocrinology, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, United States of America

Nobuaki Kikyo

kikyo001@umn.edu

Affiliations Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, United States of America, Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HH NK. Performed the experiments: HH. Analyzed the data: HH MF NK. Contributed reagents/materials/analysis tools: MF. Wrote the paper: HH NK.