1 Section of Thoracic Surgery, Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.
2 Section of Thoracic Surgery, Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada; Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada; Research Institute in Oncology & Hematology, Cancer Care Manitoba, Winnipeg, Manitoba, Canada. Electronic address: bkidane@hsc.mb.ca.
3 Division of Acute Care Surgery, LAC + USC Medical Center, Los Angeles, Calif.
4 Department of Surgery, University of Calgary, Calgary, Alberta, Canada.