Etli, Mustafa Fanani, Mohammad Fahrizal Farghaly, Ahmed Maged Fathy, Shadia Feiz Allah Poor, Hamid, Department of General, Vascular and Transplant Surgery, Medical University of Warsaw Feldo, Marcin, Medical University Lublin Feldo, Marcin, Klinika Chirurgii Naczyń i Angiologii Uniwersytet Medyczny w Lublinie Feldo, Marcin (Poland) Feldo, Marcin Figiel, Jarosław Figiel, Jarosław Fijałkowska, Magdalena Filipiak, Krzysztof J. Filipiak, Krzysztof J. Fındık, Orhan, Derince Education and Research Hospital, Department of Cardiovascular Surgery Fiodorenko-Dumas, Żanna, Department of Physiotherapy, Faculty of Health Science, Wroclaw Medical University Fiodorenko-Dumas, Zanna, Department of Physiotherapy, Wroclaw Medical University, Poland Fiodorenko-Dumas, Zanna Fischer, Jędrzej Fitouri, Fatma, Pediatric surgery department “A”.children hospital.Tunis. Manar university Tunis tunisia Fitzgerald, Patricia Flameng, Willem Fonte, Ocimar A. Fórmankiewicz, Bartosz Frankiewicz, Maciej