1. Unidad en Investigación y Desarrollo de Medicamentos, Centro de Investigación en Farmacobiología Aplicada (CIFA), Universidad de Navarra, C/ Irunlarrea s/n, 31080 Pamplona, Spain
2. Southern Research Institute, Birmingham, Alabama 35225-53053
3. Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523
4. Institute for Tuberculosis Research, University of Illinois at Chicago, Chicago, Illinois 60612
5. Therapeutics Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland 20892