METHODOLOGY:
A systematic review was conducted to synthesise the available literature
with the aim of informing clinical practice.23,24 This
review followed the Cochrane Collaboration
guidelines25 and results are reported in line with the
Preferred Reporting Items for Systematic Reviews and Meta-Analysis
(PRISMA) and the Synthesis Without Meta-analysis (SWiM)
guidelines.26-28 The protocol was published in the
PROSPERO database in June 2020 (registration number CRD42020180283).