Phase	Stage	Timeframe
Title registration	Title registration published	Sep 2016
Protocol development	Protocol preparation	Sep – Oct 2016
	Protocol draft submission	31 Oct 2016
	Protocol review	April‐September 2017
	Protocol acceptance	October 2017
Review	Study search	Sep 2017‐Mid Oct 2017
	Abstract screening	Mid‐End Oct 2017
	Document retrieval	Early Nov 2017
	Study eligibility screening	Mid Nov 2017
	Extraction of data and assessment of study quality/coding	Late Nov 2017
	Statistical analysis and qualitative data analysis	Early Dec 2017
	Preparation of draft review	Mid Dec 2017
	Submission of draft review	End Dec 2017
	Revision of draft review	Jan 2018
Publication	Publication of final review	Feb 2018