1. Pragmatic Health Ethics Research Unit, Institut de recherches cliniques de Montréal (IRCM), Montreal, Quebec, Canada.
2. Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.
3. Department of Medicine, Biomedical Ethics Unit, McGill University, Montreal, Quebec, Canada.
4. Department of Medicine, Department of Social and Preventive Medicine, Université de Montréal, Montreal, Quebec, Canada.