About the Authors
Mycobacterial Research Division, MRC National Institute for Medical Research, London, United Kingdom
Department of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, Basel, Switzerland
University of Basel, Basel, Switzerland
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DP SG DY. Performed the experiments: DP. Analyzed the data: DP SG IC DY. Wrote the paper: DP SG IC DY.