1. School of Biomedical Engineering, Dalhousie University, Halifax, Canada
2. Division of Orthopaedics, Department of Surgery, Dalhousie University, Halifax, Canada
3. Queen Elizabeth II Health Sciences Centre, Nova Scotia Health Authority, Halifax, Canada
4. Department of Mathematics and Statistics, Dalhousie University, Halifax, Canada
5. Department of Surgery, Dalhousie University, Halifax, Canada
6. Research Center for Statistics and Geneva School of Economics and Management, University of Geneva, Geneva, Switzerland