[1] Erasmus MC Univ Med Ctr Rotterdam, Dept Med Informat, Biomed Imaging Grp Rotterdam, Rotterdam, Netherlands
[2] Erasmus MC Univ Med Ctr Rotterdam, Dept Radiol, Biomed Imaging Grp Rotterdam, Rotterdam, Netherlands
[3] Erasmus MC Univ Med Ctr Rotterdam, Dept Nucl Med, Biomed Imaging Grp Rotterdam, Rotterdam, Netherlands
[4] Univ Copenhagen, Dept Comp Sci, Image Sect, DK-1168 Copenhagen, Denmark