1 Division of Thoracic Surgery, Swedish Cancer Institute, Seattle, Washington; Center for Thoracic Surgery, Department of Medicine and Surgery, University of Insubria, Varese, Italy.
2 Department of Surgery, University of Washington Medical Center, Seattle, Washington.
3 Division of Thoracic Surgery, Swedish Cancer Institute, 900-1101 Madison St, Seattle, WA 98104. Electronic address: brian.louie@swedish.org.