1. Faculty of Medicine, University of British Columbia, Vancouver, Canada
2. School of Engineering Science, Simon Fraser University, Burnaby, Canada
3. Department of Neurosurgery, University of British Columbia, Vancouver, Canada
4. Department of Neurology, University of British Columbia, University of British Columbia, Koerner Pavilion, UBC Hospital, Vancouver, Canada
5. Department of Ophthalmology & Visual Sciences, University of British Columbia, Vancouver, Canada
6. Department of Ophthalmology, University Hospital Zurich, Zürich, Switzerland