Krętowski, Adam, Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Białystok, Poland Krętowski, Adam (Poland) Kriksciuniene, Ruta, Institute of Endocrinology, Lithuanian University of Health Sciences, Kaunas, Lithuania Kroc, Łukasz Król, Aleksandra Król, Aleksandra, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice Branch (Poland) Król, Aleksandra Król, Iwona, Chair and Department of Family Medicine, Poznan University of Medical Sciences, Poland Król, Robert Król, Robert Król, Robert Krolicki, Leszek Królicki, Leszek Królicki, Leszek Królicki, Leszek, Nuclear Medicine Department, Medical University of Warsaw, Poland (Poland) Królicki, Leszek, Department of Nuclear Medicine, Medical University of Warsaw, Poland Królicki, Leszek Kron, Vladimír Kropińska, Aleksandra Kropińska, Aleksandra, Nuclear Medine and Endocrine Oncology Department; M. Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch (Poland) Kropińska, Aleksandra, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Gliwice, Poland Kropińska, Aleksandra (Poland) Krupa, Beata Krupa, Beata Krupej- Kędzierska, Joanna