Affiliation: | From the *Canadian Surgical Technologies and Advance Robotics, Lawson Health Research Institute, London, Ontario, Canada; ?Imaging Group, Robarts Research Institute, London, Ontario, Canada; and Departments of ?Physiology and Pharmacology, §Medicine, ?Anaesthesia, and ∥Medical Biophysics, the University of Western Ontario, and the London Health Science Center, London, Ontario, Canada. |