Romanowski, Łukasz Rongies-Kosmol, Magdalena, Department of General, Vascular and Transplant Surgery; Medical University of Warsaw Rosloniec, Ewelina, Department of Clinical Rehabilitation, University of Physical Education in Krakow, Poland Roszkiewicz, Marek Roszkiewicz, Marek, Dermatology Department, Central Clinical Hospital of the Ministry of the Interior and Administration in Warsaw, Poland Rowiński, Olgierd Rowiński, Olgierd Różalski, Rafał Różański, Dorota Rozenbajgier, Mirosław Roztocil, Karel Ruciński, Artur Ruciński, Artur, Surgical Clinc, 4 Military Hospital in Wroclaw, Ruciński, T. Ruciński, Tomasz Rupa-Matysek, Joanna Rutkowska, Małgorzata Rutkowski, Piotr, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology Department of Soft Tissue/Osteosarcoma and Melanoma, Warsaw Rutkowski, Piotr Rutkowski, Piotr Rybak, Janusz, Department of Vascular Surgery and Angiology, Medical University of Lublin, Poland Rybak, Janusz Rydel, Weronika Rylski, Rafal, Vascular Surgery Clinic, Voivodeship Polyclinic Hospital in Kielce, Poland Rzepa, Teresa, University of Social Sciences and Humanities, Department of Poznan