https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0173-3 https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0178-y https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0176-0 https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0174-2 https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0172-4 https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-016-0175-1