1. UCD School of Medicine, University College Dublin, Belfield, Dublin, Ireland
2. Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
3. Department of Anesthesia & Perioperative Medicine, London Health Sciences Centre and St. Joseph Health Care, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
4. Library and Information Services, University Health Network, Toronto, ON, Canada
5. Department of Anesthesiology and Pain Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada