. Author manuscript; available in PMC: 2014 Sep 10.
Published in final edited form as: J Thorac Oncol. 2013 Jul;8(7):823–859. doi: 10.1097/JTO.0b013e318290868f
Copyright © 2013 College of American Pathologists, American Society for Investigative Pathology, Association for Molecular Pathology, and the International Association for the Study of Lung Cancer