1. Human Neuroanatomy Laboratory and C.R.I.B., School of Medicine, University of Castilla-La Mancha, Albacete, Spain
2. Radiodiagnostic Service, Hospital Nacional de Parapléjicos (HNP), Toledo, Spain
3. Radiology Service, Magnetic Resonance Unit, Complejo Hospitalario Universitario de Albacete (CHUA), Albacete, Spain