[1] Humboldt Univ, Charite, Neurosci Res Ctr, D-10117 Berlin, Germany
[2] Humboldt Univ, Charite, Dept Neonatol, Berlin, Germany
[3] Humboldt Univ, Charite, Dept Pediat Neurol, Berlin, Germany
[4] Ruhr Univ Bochum, D-4630 Bochum, Germany
[5] Danish Univ Pharmaceut Sci, Dept Pharmacol, DK-2100 Copenhagen, Denmark