Klatka, Janusz, Department of Otolaryngology and Laryngeal Oncology, Medical University of Lublin, Lublin, Poland Klatka, Maria, Department of Pediatric Endocrinology and Diabetology, Medical University of Lublin, Lublin, Poland Klatka, Maria, Department of Pediatric Endocrinology and Diabetology, Medical University of Lublin, Lublin, Poland (Poland) Kleczynska, Weronika Klein, Andrzej Klein, Andrzej, Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow (Poland) Klejbor, I, Department of Anatomy and Neurobiology, Medical University, Gdańsk, Poland Klejna, Katarzyna, Department of Nephrology and Transplantation with Dialysis Unit, Medical University of Białystok, Białystok, Poland Klejna, Katarzyna Klencki, Mariusz Klepacz, Robert Klim, Beata Klimaszewska-Wisniewska, Anna, Department of Histology and Embryology, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz Klimaszewska-Wisniewska, Anna, Department of Histology and Embryology, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz (Poland) Klimek, Małgorzata, Department of Gynecological Oncology, Center of Oncology, Krakow Division, Krakow Klimiuk, Pawel Klimkowska, Monika, Department of Clinical Pathology and Cytology, Karolinska University Hospital Huddinge, Stockholm, Sweden Klimowicz, Elizabeth Klingner, Edith Kloc, Malgorzata Kloc, Malgorzata (United States) Kloc, W Kloczko, Janusz Klonowska-Olejnik, Malgorzata, Research & Science Innovation Center, Lublin, Poland Klos, Patrycja, Pomeranian Medical University, Szczecin