1. National Institute for Research in Tuberculosis (NIRT), Chennai, India;
2. National Institutes of Health, National Institute for Research in Tuberculosis (NIRT), International Center for Excellence in Research, Chennai, India;
3. Government Stanley Medical Hospital, Chennai, India;
4. Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland