Affiliations

• ¹ University of Auckland, Auckland 1142, New Zealand. Electronic address: i.asher@auckland.ac.nz.
• ² University of Auckland, Auckland 1142, New Zealand.
• ³ International Union against Tuberculosis and Lung Disease, Paris, France; Department of Internal Medicine, Wanfang Hospital, Taipei Medical University, Taipei, Taiwan; School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
• ⁴ The Epidemiological Laboratory, Khartoum, Sudan.
• ⁵ Respiratory and Allergy Units, Arrixaca University Children's Hospital, University of Murcia & Biohealth Research Institute of Murcia, Murcia, Spain.
• ⁶ Woolcock Institute of Medical Research, University of New South Wales, Sydney, NSW, Australia.
• ⁷ International Union against Tuberculosis and Lung Disease, Paris, France; Liverpool School of Tropical Medicine, Liverpool, UK.
• ⁸ London School of Hygiene & Tropical Medicine, London, UK.
• ⁹ St George's, University of London, London, UK.