1. Laboratory of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland
2. New York State Institute for Basic Research in Developmental Disabilities, Staten Island, New York, USA
3. Biotherapeutics Development, Boston University School of Medicine, Providence, Rhode Island, USA
4. Signal Transduction Laboratory, Roger Williams Medical Center, Boston University School of Medicine, Providence, Rhode Island, USA