Table 1.

The timeline

Review question	Register review	Search strategy	Study selection	Risk of bias	Data extraction	Analysis	Certainty evidence	Publication
Eligibility: Population–Exposure–Outcome–Study design	PROSPERO	Literature search	Full text review	Quality in Prognosis Studies tool	Data collection form	Narrative review/meta-analysis	Grading of Recommendations Assessment, Development and Evaluation framework	Journals, conferences and PhD thesis
Completed 30 May 2018	Completed 31 August 2018	Completed 1 August 2019	Ongoing	Ongoing	Ongoing	Ongoing	Planned	Planned