[1] Univ Antwerp VIB, Mol Neurogen Grp, Dept Mol Genet, B-2610 Antwerp, Belgium
[2] Univ Antwerp, Inst Born Bunge, Neurogenet Lab, B-2020 Antwerp, Belgium
[3] Med Univ, Clin Child Neurol, Dept Pediat, Sofia, Bulgaria
[4] Med Univ, Dept Neurol, Univ Hosp Alexandrovska, Fac Med, Sofia, Bulgaria
[5] Univ Antwerp VIB, Dept Mol Genet, Cent Serv Fac, B-2610 Antwerp, Belgium
[6] Univ Antwerp VIB, Dept Mol Genet, Peripheral Neuropathy Grp, B-2610 Antwerp, Belgium
[7] New Bulgarian Univ, Dept Cognit Sci & Psychol, Sofia, Bulgaria
[8] Med Univ, Mol Med Ctr, Dept Med Chem & Biochem, Sofia, Bulgaria