Kucukaydin, Zehra Kucukoduk, Ali Küçükpınar, Tevfik Kuczera, Piotr Kuczera, Piotr, Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Katowice, Poland (Poland) Kuczera, Piotr Kuczera, Piotr (Poland) Kuczyńska, Maryla Kudela, Grzegorz Kudrymska, Aleksandra Kudła, Marek Kudła, Marek (Poland) Kudła, Marek J. Kuglarz, Ewa Kuglin, Dorota Kujawska-Łuczak, Magdalena, Department of Internal Medicine, Metabolic Disorders, and Hypertension, Poznan University of Medical Sciences, Poland Kukla, Michał Kukla, Michał (Poland) Kukulska, Aleksandra Kukulska, Aleksandra, Nuclear Medine and Endocrine Oncology Department; M. Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch (Poland) Kukulska, Aleksandra Kul, Aylin Kula, Dorota Kula, Dorota (Poland) Kula, Krzysztof