[1] Univ Copenhagen, Danish Natl Hosp, Dept Neurol, DK-2100 Copenhagen, Denmark
[2] Univ Aalborg, Dept Med Informat & Image Anal, Aalborg, Denmark
[3] Univ Liege, CHR Citadelle, Dept Neurol, Liege, Belgium
[4] Hosp Santa Marie, Fac Med Lisloa, Ctr Estudos Egas Moniz, Lab EEG & Sleep, Lisbon, Portugal