1. CREATIS (CNRS UMR5220 & INSERM U1294), Université Claude Bernard-Lyon 1 & INSA-Lyon, Villeurbanne, France.
2. Department of Mathematics and Computer Science, University of Calabria, Calabria, Italy.
3. R&D Department CGnal, Milan, Italy.
4. Hôpital Neurologique, Hospices Civils de Lyon, Bron, France.
5. CERMEP—Imagerie du Vivant, Université de Lyon, Bron, France.