1McGill University, Department of Medicine, Montreal, PQ H3A 1A1, Canada
2McGill University, Department Oncology, Montreal, PQ H3A 1A1, Canada
3McGill University, Lung Cancer Committee, Montreal, PQ H3A 1A1, Canada
4McGill University Health Centre, Lung Administrative Tumor Group, MUHC Royal Victoria Hospital, Department of Medical Oncology, Montreal, PQ H3A 1A1, Canada