About the Authors

Lifan Zhang

Affiliations Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China, Clinical Epidemiology Unit, Peking Union Medical College, International Clinical Epidemiology Network, Beijing, China

Yueqiu Zhang

Affiliation Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China

Xiaochun Shi

Affiliation Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China

Yao Zhang

Affiliation Clinical Epidemiology Unit, Peking Union Medical College, International Clinical Epidemiology Network, Beijing, China

Guohua Deng

Affiliation Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China

Ajit Lalvani

Affiliation Department of Respiratory Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom

Xiaoqing Liu

liuxqpumch@126.com

Affiliations Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China, Clinical Epidemiology Unit, Peking Union Medical College, International Clinical Epidemiology Network, Beijing, China

Competing Interests

Professor Lalvani is inventor for patents underpinning T cell-based diagnosis. The ESAT-6/CFP-10 IFN-gamma ELISpot assay was commercialised by an Oxford University spin-out company (T-SPOT.TB®, Oxford Immunotec Ltd, Abingdon, UK) in which the University of Oxford and Professor Lalvani have minority shares of equity and royalty entitlements.

Author Contributions

Conceived and designed the experiments: XL. Performed the experiments: LZ XL YZ XS. Analyzed the data: LZ XL YZ. Wrote the paper: LZ YZ XL. Managed clinical information and diagnosis: XL XS GD. Discussed and revised the manuscript: AL.