Date	Event	Description
17 April 2017	New citation required but conclusions have not changed	Summary of most important changes in this update. • We updated the search for eligible studies to December 2016. • We identified 2 new prospective cohort studies including 80 children and included them in the review. However, the conclusions of this review did not change. • We included a new secondary outcome measure: other possible risk factors (such as fluconazole and presence of infections/stress).
12 December 2016	New search has been performed	We updated the search for eligible studies to December 2016.