1 Technical Division, KNCV Tuberculosis Foundation, The Hague, Amsterdam Institute for Global Health and Development, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
2 Monitoring and Evaluation, Tanzania National Tuberculosis and Leprosy Programme, Dodoma, United Republic of Tanzania <email></email>, Email: christiaan.mulder@kncvtbc.org.
3 Technical Division, KNCV Tuberculosis Foundation, The Hague.