Kowalczuk, Oksana Kowalczyk, Anna, Department of Human Histology and Embryology, University of Warmia and Masuria, Olsztyn, Poland Kowalczyk, Anna, Department of Human Histology and Embryology, University of Warmia and Masuria, Olsztyn, Poland Kowalczyk, Anna, Department of Human Histology and Embryology, Faculty of Medical Sciences; University of Warmia and Mazury, Olsztyn, Poland. (Poland) Kowalczyk, Anna E. Kowalczyk, Anna E., Department of Human Histology and Embryology, Faculty of Medical Sciences, University of Warmia and Mazury in Olsztyn (Poland) Kowalczyk, Anna E. Kowalczyk, Danuta Kowalczyk, Jerzy Kowalczyńska, Hanna M. Kowalewicz-Kulbat, Magdalena Kowalewicz-Kulbat, Magdalena, Department of Immunology and Infectious Biology, University of Lodz, Poland Kowalewska, Jolanta Kowalewski, Radoslaw, Department of Vascular Surgery and Transplantology, Medical University of Bialystok, Poland Kowalewski, Radoslaw Kowalska, Anna M. Kowalska, Malgorzata, Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Gliwice, Poland Kowalska, Małgorzata Kowalska, Wioleta Kowalski, Ireneusz M Kowalski, Ireneusz M., Provincial Childrens’ Hospital and Rehabilitation Centre, USA Kowara, Renata Kowzan, Urszula, Department of Psychiatry, Medical University of Bialystok KozĂĄk, Igor Kozdrowski, Roland