Name Info Provider Link
free resource BioMed Central https://pilotfeasibilitystudies.biomedcentral.com/articles/10.1186/s40814-018-0378-1
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30574354/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/30574354
Full text from free resource White Rose Research Online https://eprints.whiterose.ac.uk/141031/