[1] Leeds Teaching Hosp, Dept Neurosci, NHS Trust, Leeds LS2 9JT, England
[2] Univ Leeds, Fac Med, Leeds LS2 9JT, England
[3] Alexandru Ioan Cuza Univ, Fac Biol, Dept Biol, Iasi 700506, Romania
[4] Romanian Acad, Ctr Biomed Res, B Carol I 18, Iasi 700506, Romania
[5] Acad Romanian Scientists, Splaiul Independentei 54,Sect 5, Bucharest 050094, Romania
[6] Grigore T Popa Univ Med & Pharm, Dept Mother & Child, Med Pediat, 16 Univ St, Iasi 700115, Romania
[7] Alexandru Ioan Cuza Univ, Inst Interdisciplinary Res, Dept Exact Sci & Nat Sci, Iasi 700057, Romania