1 Centro de Investigação em Saude de Manhiça, CP 1929 Maputo, Mozambique; ISGlobal, Barcelona Centre for International Health Research, University of Barcelona, Barcelona, Spain. Electronic address: alberto.garcia-basteiro@manhica.net.
2 Amsterdam Institute for Global Health and Development, Academic Medical Centre, Amsterdam, Netherlands; KNCV Tuberculosis Foundation, The Hague, Netherlands.