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1 Department of Medicine, History of Medicine Series, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pa. Electronic address: Salvatore.mangione@jefferson.edu.
2 Department of Neuro-Oncology, Neurosurgical Simulation Research and Training Centre, Department of the Social Studies of Medicine, Montreal Neurological Institute and Hospital, McGill University, Montreal, Que, Canada.
1 Department of Medicine, History of Medicine Series, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pa. Electronic address: Salvatore.mangione@jefferson.edu.
2 Department of Neuro-Oncology, Neurosurgical Simulation Research and Training Centre, Department of the Social Studies of Medicine, Montreal Neurological Institute and Hospital, McGill University, Montreal, Que, Canada.