Kopiński, Piotr, Chair Gene Therapy, Collegium Medicum, Nicolaus Copernicus University, M. Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland Kopiński, Piotr Korac, Aleksandra Korac, Aleksandra, Faculty of Biology, University of Belgrade, Belgrade, Serbia Korac, Bato Kordowiak, Anna Korgun, Emin Türkay Kornafel, Jan Korobowicz, Agnieszka Korobowicz, Elzbieta Korobowicz-Markiewicz, Agnieszka Korol, Piotr Korszen-Pilecka, Iwona, Department of Cancer Genetics with Cytogenetic Laboratory, Medical University of Lublin Koryciak-Komarska, Halina Kos, Justyna Kosakowska, Ewa Anna, Department of Gastrointestinal Cancer, Cancer Center-Institute, Warsaw, Poland Kosalka, Joanna, Uniwersytet Jagielloński, Collegium Medicum Kosalka, Joanna, Jagiellonian University Medical College, Department of Medicine, Krakow, Poland (Poland) Kosierkiewicz, Anita Kosinska-Kaczynska, Katarzyna KostelnĂĄ, Helga, Associated Tissue Bank of Faculty of Medicine, P. J. SafĂĄrik University and L. Pasteur Faculty Hospital, Trieda SNP 1, Kosice, Slovakia Kosz-Vnenchak, Magdalena Kosztyla-Hojna, Bozena, Department of Otolaryngology, Medical University of Bialystok, Poland Kosztyła-Hojna, Bożena Kot, Barbara