1. Laboratory of Brain Imaging Nencki Institute of Experimental Biology, Polish Academy of Sciences Warsaw Poland
2. Institute of Psychology Jagiellonian University Kraków Poland
3. Department of Psychology Harvard University Boston Massachusetts USA
4. Section for Sign Linguistics, Faculty of Polish Studies University of Warsaw Warsaw Poland
5. Laboratory for Language and Cognitive Neuroscience San Diego State University San Diego California USA
6. Laboratory of Language Neurobiology Nencki Institute of Experimental Biology, Polish Academy of Sciences Warsaw Poland