1 Brock University, St. Catharines, Ontario, Canada. Electronic address: martin.tammemagi@brocku.ca.
2 Rescue Lung Society, Amesbury, Massachusetts.
3 University of Liverpool, Roy Castle Lung Cancer Research Programme, Liverpool, United Kingdom.
4 All India Institute of Medical Sciences, New Delhi, India.
5 National Korányi Institute for Pulmonology, Budapest, Hungary.
6 Cardiothoracic Surgery Unit, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom; School of Medicine and Population Health, The University of Sheffield, Sheffield, United Kingdom.