The systematic approach to improving care for Frail Older Patients (SAFE) study: A protocol for co-designing a frail older person’s pathway [version 2; peer review: 2 approved] oleh Éidín Ní Shé, Mary McCarthy, Deirdre O'Donnell, Orla Collins, Graham Hughes, Nigel Salter, Lisa Cogan, Coailfhionn O'Donoghue, Emmet McGrath, John O'Donovan, Andrew Patton, Eilish McAuliffe, Diarmuid O'Shea, Marie Therese Cooney