Influence of vitamin D supplementation on muscle strength and exercise capacity in South African schoolchildren: secondary outcomes from a randomised controlled trial (ViDiKids)

Affiliations

• ¹ Desmond Tutu HIV Centre, Institute of Infectious Diseases & Molecular Medicine, University of Cape Town, Observatory, South Africa.
• ² Department of Medicine, University of Cape Town, Observatory, South Africa.
• ³ Health through Physical Activity, Lifestyle and Sport Research Centre (HPALS), Division of Physiological Sciences, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
• ⁴ SAMRC/Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
• ⁵ School of Sport and Health Sciences, University of Brighton, Eastbourne, UK.
• ⁶ Wolfson Institute of Population Health, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK.
• ⁷ Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK.
• ⁸ Riverland Academy of Clinical Excellence, Riverland Mallee Coorong Local Health Network, South Australia Health, South Australia, Australia.
• ⁹ Norwich Medical School, University of East Anglia, Norwich, UK.
• ¹⁰ Departments of Laboratory Medicine, Clinical Biochemistry and Departments of Diabetes and Endocrinology, Norfolk and Norwich University Hospital NHS Foundation Trust, Norwich, UK.
• ¹¹ MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton, UK.
• ¹² NIHR Southampton Biomedical Research Centre, University of Southampton, and University Hospital Southampton NHS Foundation Trust, Southampton, UK.
• ¹³ Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa.
• ¹⁴ The Francis Crick Institute, London, UK.
• ¹⁵ Imperial College London, London, UK.