About the Authors

Xiaowen Hu

Affiliation Department of Respiratory Medicine, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, China

Eunhee S. Yi

Affiliation Division of Anatomic Pathology, Mayo Clinic, Rochester, Minnesota, United States of America

Jay H. Ryu

ryu.jay@mayo.edu

Affiliation Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XH ESY JHR. Performed the experiments: XH ESY JHR. Analyzed the data: XH ESY JHR. Contributed reagents/materials/analysis tools: XH ESY JHR. Contributed to the writing of the manuscript: XH ESY JHR.