Kuzan, Aleksandra Kuźba-Kryszak, Tamara Kuzmanovska Dimitrovska, Melina Kwapisz, Justyna, Department of Pathophysiology, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Poland Kwasigroch, Monika Kwiatkowska, Agnieszka Kwiecińska-Piróg, Joanna Kwiecińska-Piróg, Joanna (Poland) Kwinta, Borys M. Kwinta, Przemko Kłopocka, Maria Kłopocki, Jan Kłosiewicz, Tomasz La Cognata, Sara Lackowski, Jacek Lackowski, Piotr Ladia, Desh Deepak Ladia, Desh Deepak Lamsal, Madhab Landi, Antonio Langner, Michał Laskowska, Ewa Laskowska, Ewa, Department of Cardiology and Internal Medicine, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Poland; Department of Principles of Clinical Medicine, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Poland Laskowska, Ewa (Poland) Lazar, Agata