About the Authors

Nae-Yuh Wang

Affiliation Department of Medicine, Biostatistics, and Epidemiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, United States of America

Ai Hirao

Affiliation Department of Anesthesiology and Critical Care Medicine, Johns Hopkins Bayview Medical Center, Baltimore, Maryland, United States of America

Frederick Sieber

fsieber1@jhmi.edu

Affiliation Department of Anesthesiology and Critical Care Medicine, Johns Hopkins Bayview Medical Center, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NYW FS. Performed the experiments: FS. Analyzed the data: NYW FS AH. Contributed reagents/materials/analysis tools: FS NYW. Wrote the paper: NYW FS AH.