Date	Event	Description
27 November 2021	New citation required but conclusions have not changed	One additional review author, Fonthip Buttramee (FB), contributed to the update.
26 November 2021	New search has been performed	The review contact person and the order of the review authors have changed. The Background has been updated, and the methodologies have been revised in accordance with the Cochrane Handbook for Systematic Reviews of Interventions. We assessed one study as awaiting classification in the previous version of the review; however, it was excluded in this update. For this update, the searches were updated to 7 August 2021 for the main databases and to 3 October 2020 for the local and regional databases. We added one new included study and assessed one study as awaiting classification.