Vitamin D supplementation to prevent tuberculosis infection in South African schoolchildren: multicenter phase 3 double-blind randomized placebo-controlled trial (ViDiKids).

Address: Desmond Tutu HIV Centre, Institute of Infectious Diseases & Molecular Medicine, University of Cape Town, Observatory, South Africa; Department of Medicine, University of Cape Town, Cape Town, South Africa.; Wolfson Institute of Population Health, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.; Desmond Tutu HIV Centre, Institute of Infectious Diseases & Molecular Medicine, University of Cape Town, Observatory, South Africa.; Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.; Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Infectious Diseases and Immune Defense Division, Walter and Eliza Hall Institute of Medical Research, Parkville, Australia.; Paediatric Infectious Diseases Unit, Red Cross War Memorial Children's Hospital and the Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa.; Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, UK; Departments of Laboratory Medicine, Clinical Biochemistry, and Departments of Diabetes and Endocrinology, Norfolk and Norwich University Hospital NHS Foundation Trust, Norwich, UK.; Delhi School of Public Health, Institute of Eminence, University of Delhi, Delhi, India; Trivedi School of Biosciences, Ashoka University, Sonipat, India.; Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK.; Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; The Francis Crick Institute, London, UK; Imperial College London, London, UK.; Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK. Electronic address: [email protected].