Luo, L Luo, Yu Luterek, Malgorzata, Department of Cancer Genetics with Cytogenetic Laboratory, Medical University of Lublin Lutsyk, Alexander Lutsyk, Alexander, Department of Histology and Embryology, Lviv National, Medical University, Lviv, Ukraine Luvizotto, Maria C.R. LV, Guozhong Lv, Ting Lykowska-Szuber, Liliana, Poznań University of Medical Sciences Lykowska-Szuber, Liliana, Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznan University of Medical Sciences, Heliodor Swiecicki Hospital, Poznan, Poland