1. Biomedical Ethics Unit, Studies of Translation, Ethics and Medicine (STREAM) Research Group McGill University Montreal Quebec Canada
2. Information Sciences Institute University of Southern California Marina del Rey California USA
3. John van Geest Centre for Brain Repair, Wellcome Trust/Medical Research Council (WT/MRC) Cambridge Stem Cell Institute, Department of Clinical Neuroscience University of Cambridge Cambridge United Kingdom
4. Edmond J. Safra Program in Parkinson's Disease and the Morton and Gloria Shulman Movement Disorders Clinic Toronto Western Hospital Toronto Ontario Canada
5. The Michael J. Fox Foundation for Parkinson's Research New York New York USA