Siska, I. Siskos, Ch. Sitarz, M. Sitek, A., School of Anthropology, University of Lodz, Łódź, Poland Siwek, Katarzyna Skadorwa, T., Department of Descriptive and Clinical Anatomy, Medical University of Warsaw, Poland Skadorwa, T., Department of Neurosurgery, Bogdanowicz Memorial Hospital, Niekłańska 4/24, 03–924 Warsaw Skadorwa, T. (Poland) Skala, M., Charles University Prague, University Hospital in Pilsen Skalec, A., Department of Animal Physiology and Biostructure, Wroclaw University of Environmental and Life Sciences, Faculty of Veterinary Medicine, Wroclaw, Poland Skalski, Andrzej Skamagkoulis, L. Skandalakis, G. P. Skandalakis, P. Skandalakis, P. (Greece) Skandalakis, P., Department of Anatomy, Faculty of Medicine, National and Kapodistrian University of Athens, Greece Skarżyńska, Bożena Skinningsrud, B. Skobowiat, Cezary Skoczyński, M. Skoczyński, M. Skolka, A. Skóra, Jan Skorek, A., Department of Otolaryngology, Medical University of Gdansk, Poland Skorek, A.