Stankovic, Zoran MD1; Blanke, Philipp MD1; Markl, Michael PhD2
1 Department of Diagnostic Radiology and Medical Physics, University Medical Center Freiburg, Freiburg, Germany
2 Departments of Radiology and Biomedical Engineering, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
Correspondence: Zoran Stankovic, MD, Department of Diagnostic Radiology and Medical Physics, University Medical Center Freiburg, Hugstetter Strasse 55, 79106 Freiburg, Germany. E-mail: [email protected]
This letter was reviewed externally.
doi: 10.1038/ajg.2011.380