[1] Semmelweis Univ, Dept Clin Res, H-1082 Budapest, Hungary
[2] Semmelweis Univ, Dept Human Physiol, H-1082 Budapest, Hungary
[3] Hungarian Acad Sci, Neurobiol Res Grp, H-1094 Budapest, Hungary
[4] Hungarian Acad Sci, KFKI, Res Inst Particle & Nucl Phys, Dept Biophys, H-1525 Budapest, Hungary