1. South African Tuberculosis Vaccine Initiative, Institute of Infectious Disease and Molecular Medicine and School of Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
2. Aeras Global Tuberculosis Vaccine Foundation, Rockville, Maryland, USA
3. KNCV Tuberculosis Foundation, the Netherlands and CINIMA, Academic Medical Centre, Amsterdam, The Netherlands
4. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
5. Department of Epidemiology & Biostatistics, McGill University, Montreal, Quebec, Canada