Jakubowski, Wiesław, Department of Diagnostic Imaging, Second Faculty of Medicine with the English Division and the Physiotherapy Division, Medical University of Warsaw, Kondratowicza 8, 03-242 Warsaw, Poland Jakuczun, Wawrzyniec Jakuczun, Wawrzyniec (Poland) Jamrozik, Zygmunt Janas, Adam Janas, Jadwiga Janas, Ksenia Janas, Ksenia Janaszek-Sitkowska, Hanna Janczak, Dariusz Janczak-Saif, Agnieszka Janczarek, Marzena Janczyszyn, Maria Janecki, Jerzy Janega, Pavol, Department of Pathology, Faculty of Medicine, Comenius University, Bratislava, Slovak Republic; Institute of Normal and Pathological Physiology, Slovak Academy of Sciences, Bratislava, Slovak Republic Janegova, Andrea, Department of Pathology, Faculty of Medicine, Comenius University, Bratislava, Slovak Republic Janev, Tijana Janghorbani, Mohsen Jangjoo, Ali Jangjoo, Ali (Iran, Islamic Republic Of) Janiak, Katarzyna Janicka-Jedyńska, Małgorzata, Department of Clinical Pathology, Poznan University of Medical Sciences, POLAND Janik, Małgorzata, 1. Department of Endocrine Disorders and Bone Metabolism, Chair of Endocrinology, Medical University at Lodz, Poland Janik, Małgorzata Jankiewicz-Wika, Joanna