About the Authors

Li Zhi

Affiliation Laboratory of Cellular Hematology, Division of Hematology, OBRR, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Xuan Chi

Affiliation Laboratory of Cellular Hematology, Division of Hematology, OBRR, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Jaroslav G. Vostal

jaroslav.vostal@fda.hhs.gov

Affiliation Laboratory of Cellular Hematology, Division of Hematology, OBRR, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LZ XC JGV. Performed the experiments: LZ XC. Analyzed the data: LZ XC JGV. Wrote the manuscript: LZ XC JGV.