Institution: | (1) Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla St. 12, 53-114 Warsaw, Poland;(2) Department of Cell Biology and Histology, PO Box 80.176, 3508 TD Utrecht, The Netherlands;(3) Department of Veterinary Pathology, Utrecht, The Netherlands;(4) Institute of Molecular Biology, Jagiellonian University, 3 Mickiewicz Ave., 31-120 Krakow, Poland |