About the Authors

Huijuan Wang

Contributed equally to this work with: Huijuan Wang, Pengjun Zhang

Affiliations Department of Respiratory Medicine, Hainan Branch of Chinese PLA General Hospital, Sanya, Hainan Province, China, Medical College, Nankai University, Tianjin, People’s Republic of China, Department of Respiratory Medicine, Chinese PLA General Hospital, Beijing, China

Pengjun Zhang

Contributed equally to this work with: Huijuan Wang, Pengjun Zhang

Affiliations Medical College, Nankai University, Tianjin, People’s Republic of China, Department of Clinical Biochemistry, Chinese PLA General Hospital, Beijing, China

Weijun Chen

Affiliation Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Airport Industry B6, Beijing, China

Dan Feng

Affiliation Department of Medical Statistics, Chinese PLA General Hospital, Beijing, China

Yanhong Jia

Affiliation Department of Respiratory Medicine, Chinese PLA General Hospital, Beijing, China

Lixin Xie

xielx@263.net

Affiliations Department of Respiratory Medicine, Hainan Branch of Chinese PLA General Hospital, Sanya, Hainan Province, China, Department of Respiratory Medicine, Chinese PLA General Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HJW PJZ LXX. Performed the experiments: HJW. Analyzed the data: HJW DF. Contributed reagents/materials/analysis tools: WJC DF YHJ. Wrote the paper: HJW PJZ LXX.