About the Authors

Karin Weldingh

kwe@ssi.dk

Affiliation Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark

Peter Andersen

Affiliation Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark

Competing Interests

KW and PA are employed by Statens Serum Institut that owns patents on ESAT6.

Author Contributions

Conceived and designed the experiments: PA KW. Performed the experiments: KW. Analyzed the data: KW. Wrote the paper: KW. Other: Contributed writing the manuscript: PA. Designed the study: KW.