1 Division of Thoracic Surgery, Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada; Vancouver Coastal Health Research Institute, Vancouver General Hospital, Vancouver, British Columbia, Canada. Electronic address: [email protected].
2 Division of Thoracic Surgery, Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada; Vancouver Coastal Health Research Institute, Vancouver General Hospital, Vancouver, British Columbia, Canada.