Kubica, Julia Maria, Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland Kubik, Emilia Adrianna, Department of Microbiology, Nicolaus Copernicus University in Toruń, Collegium Medicum of L. Rydygier in Bydgoszcz, M. Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland Kubik, Maciej Kubisa, Bartosz Kubiszewska, Izabela Küçüköner, Mehmet Kujawski, Sławomir Kukulska-Pawluczuk, Beata Kula, Agnieszka Kulbacka, Julita Kuliczkowski, Wiktor Kuliczkowski, Wiktor (Poland) Kulig, Karolina Kulig, Karolina (Poland) Kuligowska-Prusińska, Magdalena Kuligowska-Prusińska, Magdalena, Department of Laboratory Medicine, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Poland Rheumatology Outpatient Clinic, University Hospital No. 2, Bydgoszcz, Poland Kuligowska-Prusińska, Magdalena (Poland) Kulwas, Arleta Kumorek, Aleksandra Kunicka, Katarzyna B. Kupczyk, Daria Kurek, Krzysztof Kurkiewicz-Sawczak, Kamila Kurylak, Andrzej Kusiak, Agnieszka