1. From the Departments of Biomedical Imaging and Image-guided Therapy (R.I.M., L.L., A.K., D.K., M.L.W., D.T., A.S., M.S., L.B., M.W., H.P.) and Thoracic Surgery (P.J., G.M., E.H.W., Z.K., K.H.), Medical University of Vienna, Währinger Gürtel 18-20, A-1090 Vienna, Austria.