1 Division of Medical Oncology, Department of Medicine, McGill University Health Center, Royal Victoria Hospital, Montreal, QC, Canada.
2 University of Dammam, Ministry of Higher Education, Riyadh, Saudi Arabia.
3 Department of Medicine, McGill University Health Center, Royal Victoria Hospital, Montreal, QC, Canada.
4 Division of Medical Oncology, Department of Medicine, McGill University Health Center, Royal Victoria Hospital, Montreal, QC, Canada. jj.lebrun@mcgill.ca.