1 Department of Diagnostic Radiology, Ruprecht-Karls University, 69120 Heidelberg, Germany; Junior Group Molecular Imaging, German Cancer Research Centre, 69120 Heidelberg, Germany. Electronic address: [email protected].
2 Department of Pneumology, Theresienkrankenhaus, Academic Hospital of the Heidelberg University, 68165 Mannheim, Germany.
3 Department of Diagnostic Radiology, Ruprecht-Karls University, 69120 Heidelberg, Germany.