1. Laboratory for Functional and Metabolic Imaging; Ecole Polytechnique Fédérale de Lausanne; Lausanne Switzerland
2. Department of Clinical Neurosciences; University of Geneva; Geneva Switzerland
3. Department of Radiology; University of Lausanne; Lausanne Switzerland
4. Department of Radiology; University of Geneva; Geneva Switzerland
5. Centre d'Imagerie Biomédicale; Ecole Polytechnique Fédérale de Lausanne; Lausanne Switzerland