1 Discipline of Physiotherapy, School of Medicine, Trinity College Dublin, Trinity Centre for Health Sciences, Dublin, Ireland. Electronic address: moranj2@tcd.ie.
2 Discipline of Physiotherapy, School of Medicine, Trinity College Dublin, Trinity Centre for Health Sciences, Dublin, Ireland.
3 Department of Colorectal Surgery, St. James's Hospital, Dublin, Ireland.
4 John Strearne Medical Library, Trinity College Dublin, Trinity Centre for Health Sciences, Dublin, Ireland.
5 Department of Anaesthesia and Intensive Care, St. James's Hospital, Dublin, Ireland.