1. Department of Ophthalmology Erasmus Medical Center, Rotterdam, the Netherlands
2. Department of Mediamatics, Technical University Delft, Delft, the Netherlands
3. Department of Mediamatics, Technical University Delft, Delft, the Netherlands 3Department of Radiology, Laboratory for Clinical and Experimental Image Processing, Leiden University Medical Center, Leiden, the Netherlands
4. Department of Radiology, Erasmus Medical Center, Rotterdam, the Netherlands