Serkies, Krystyna, Department of Oncology and Radiotherapy, Medical University of Gdansk Serkies, Krystyna, Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland (Poland) Seweryn, Michał Seyedfatemi, Naima Shah, Kevin N. Shah, Manisha H. Shahhoseini, Ali Shayanfar, Nasrin Siebert, Janusz Siedlaczek, Agnieszka Siedlecki, Janusz Siedlecki, Janusz A. Siedlecki, Piotr Siemiątkowski, Marek Siemiątkowski, Marek Sienkiewicz, Renata Sienkiewicz-Kozłowska, Renata Sienkiewicz-Kozłowska, Renata Sieńkowska-Magoń, Monika Sierko, Ewa Sierko, Ewa (Poland) Sierko, Ewa, Department of Oncology, Medical University of Bialystok, Poland, Comprehensive Cancer Centre in Bialystok, Poland Sierko, Ewa, Oncology Clinic, Medical University of Białystok; Oncology Centre of Białystok Sierżęga, Marek Sigorski, Dawid