1 Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Québec, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Québec, Canada; Department of Neurology and Neurosurgery, McGill University, Montreal, Québec, Canada.
2 Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Québec, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Québec, Canada; Gerald Bronfman Department of Oncology, McGill University, Montreal, Québec, Canada.
3 Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Québec, Canada.
4 Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Québec, Canada; Division of Endocrinology, Jewish General Hospital, Montreal, Québec, Canada.