1 Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland.
2 Department of Neurology, University of Washington School of Medicine, Seattle, WA, 98109-8055, USA.
3 Senator Paul D. Wellstone Muscular Dystrophy Specialized Research Center, University of Washington School of Medicine, Seattle, WA, 98109-8055, USA.
4 Department of Biochemistry, University of Washington School of Medicine, Seattle, WA, 98109-8055, USA.
5 Department of Medicine, University of Washington School of Medicine, Seattle, WA, 98109-8055, USA.
6 Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland. [email protected].