[1]Gastroenterology,St George’s Hospital,London SW17 0QT,United Kingdom;
[2]Clinical Infection Unit,St George’s Hospital,London SW17 0QT,United Kingdom;
[2]Clinical Infection Unit,St George’s Hospital,London SW17 0QT,United Kingdom;
[1]Gastroenterology,St George’s Hospital,London SW17 0QT,United Kingdom;
Abdominal; gastrointestinal; tuberculosis; vitamin D; human immunodeficiency virus;