About the Authors

Saroj K. Young

Affiliation Clinical Research Unit, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Jorg M. Ponnighaus

Affiliation Karonga Prevention Study, Chilumba, Karonga District, Malawi

Suman Jain

Affiliation Blue Peter Research Centre, LEPRA Society, Hyderabad, India

Sebastian Lucas

Affiliation Department of Histopathology, Kings College London School of Medicine, St Thomas' Hospital, London, United Kingdom

Sujai Suneetha

Affiliation Blue Peter Research Centre, LEPRA Society, Hyderabad, India

Diana N. J. Lockwood

Affiliation Clinical Research Unit, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Douglas B. Young

Affiliation Centre for Molecular Microbiology and Infection, Division of Investigative Sciences, South Kensington Campus, Imperial College London, London, United Kingdom

Paul E. M. Fine

paul.fine@lshtm.ac.uk

Affiliation Infectious Disease Epidemiology Unit, Department of Epidemiology and Population Sciences, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SY DL DY PF. Performed the experiments: SY. Analyzed the data: SY PF. Contributed reagents/materials/analysis tools: SY JP SJ SL SS DY. Wrote the paper: SY DY PF. Responsible for the Hyderabad research project: DL. Wrote the first draft of the paper: DY. PI for the Malawi research Programme: PF. Responsible for extracting DNA and genotyping all samples: SY. Did all the clinical, epidemiological, and biopsy work in Malawi: JP. Responsible for the clinical, epidemiological, and biopsy work in India: SJ and SS. Responsible for histopathology (and archiving) of Malawi biopsy material: SL.