[1] Fdn G DAnnunzio, Inst Adv Biomed Technol, I-66100 Chieti, Italy
[2] Univ G dAnnunzio, Dept Neurosci & Imaging, I-66100 Chieti, Italy
[3] Max Planck Soc, Ernst Strungmann Inst Cooperat, D-60528 Frankfurt, Germany
[4] Washington Univ, Sch Med, Dept Radiol, St Louis, MO 63110 USA
[5] Washington Univ, Sch Med, Dept Neurol, St Louis, MO 63110 USA
[6] Washington Univ, Sch Med, Dept Anat, St Louis, MO 63110 USA
[7] Washington Univ, Sch Med, Dept Neurobiol, St Louis, MO 63110 USA