About the Authors

Asumi Yamazaki

Affiliations Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland, United States of America, Graduate School of Medical Sciences, Nagoya University, Nagoya, Aichi, Japan

Peter Liu

Affiliation Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland, United States of America

Wei-Chung Cheng

Affiliation Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland, United States of America

Aldo Badano

aldo.badano@fda.hhs.gov

Affiliation Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB. Performed the experiments: AY PL WCC. Analyzed the data: AY AB. Contributed reagents/materials/analysis tools: AY PL WCC AB. Wrote the paper: AY PL AB.