1 Division of Infectious Diseases, Department of Pediatrics, The Children´s Hospital of Philadelphia, Philadelphia, PA.
2 Department of Pediatrics, Boston Children´s Hospital, and Department of Medicine, Brigham and Women´s Hospital, Boston, MA.
3 Department of Pediatrics, The Children´s Hospital of Philadelphia, Philadelphia, PA, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA, Botswana-UPenn Partnership, Gaborone, Botswana.
4 University of Pennsylvania, Philadelphia, PA, USA.
5 Botswana National TB Programme, Ministry of Health, Gaborone, Botswana.
6 Division of Infectious Diseases, Department of Pediatrics, The Children´s Hospital of Philadelphia, Philadelphia, PA, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA, Botswana-UPenn Partnership, Gaborone, Botswana.
7 The Ryan White Center for Pediatric Infectious Disease and Global Health, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA.