1. School of Nursing and Midwifery; Queen's University Belfast; Belfast UK
2. Clinical Epidemiology Program; Ottawa Hospital Research Institute; Ottawa Canada
3. Nursing and Midwifery Sciences; Centre for Research and Innovation in Care, Faculty of Medicine and Health Sciences, University of Antwerp; Antwerp Belgium
4. Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care; King's College London; London UK