1. Department of Engineering PhysicsPolytechnique Montreal Montreal Québec Canada
2. Laboratory of Radiological Optics, Centre de Recherche du Centre Hospitalier de l'Université de Montréal Montreal Québec Canada
3. Research and development, EMVision LLC Loxahatchee Florida
4. Brain Tumour Research CentreMontreal Neurological Institute and Hospital, Department of Neurology and Neurosurgery, McGill University Montreal Québec Canada
5. Division of Neuropathology, Department of PathologyMontreal Neurological Institute and Hospital, McGill University Montreal Québec Canada
6. Laser Biophysics group, Princess Margaret Cancer Centre‐University Health Network/University of Toronto Toronto Ontario Canada