1. Applied Health Research Centre, Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada2Centre for Statistics in Medicine, University of Oxford, Oxford, England
2. Applied Health Research Centre, Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada
3. Centre for Statistics in Medicine, University of Oxford, Oxford, England
4. Division of Nephrology, Nova Scotia Health Authority, Halifax, Nova Scotia, Canada
5. Department of Medicine, School of Medicine, University of Tasmania, Hobart, Australia5Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, England
6. St John’s College, University of Oxford, Oxford, England