Pitkänen, Asla, A.I. Virtanen Institute for Molecular Sciences University of Kuopio, Finland Pityński, K. Piwko, G. Piwko, G. (Poland) Piwko, G. M. Piwko, Grzegorz Piwowarczyk-Nowak, Aneta Piłat-Marcinkiewicz, Barbara Plateroti, A. M. Plateroti, P. Plateroti, R. Pliczko, M., Department of Anatomy, Jagiellonian University Medical College, Krakow, Poland Plunkett, E. Plunkett, K. Plut, A. Plutecki, D. Plutecki, Dawid Pniewski, J. Podgórski, M., Department of Radiology, Medical University of Łódź, Kopcinskiego 22 ; 90-153 Lodz, Poland Podgórski, M. Podgórski, M., Department of Normal and Clinical Anatomy, Interfaculty Chair of Anatomy and Histology, Medical University of Łódź, Narutowicza 60, Łódź 90-136, Poland (Poland) Podgórski, M., Department of Normal and Clinical Anatomy, Interfaculty Chair of Anatomy and Histology, Medical University of Łódź, Poland Podgórski, M., Polish Mother's Memorial Hospital Research Institute Podgórski, M. Podgórski, M. (Poland)