AV ČR, Ústav molekulární genetiky
Fourth Department of Surgery, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, General Hospital “George Papanikolaou”, Thessaloniki, Greece
Aristotle University of Thessaloniki,General Hospital of Thessaloniki “Georgios Papanikolaou”,Greece
Hospital “Businco”, Department of Hematology
Institutul Oncologic Bucuresti
Dr. Cipto Mangunkusumo General Hospital/ Faculty of Medicine Universitas Indonesia,Jakarta,Indonesia
Charles-Bruneau Cancer Center Montreal; University of Geneva; CANSEARCH Research Laboratory
Doctor of Dental Surgery (DDS), DMD, Tehran, Iran
Mayo Clinic, Hematology and Oncology
LF UK a FN Hradec Králové, Klinika onkologie a radioterapie
LF UPJŠ a FN L. Pasteura, Klinika neurológie
FN Brno, Interní gastroenterologická klinika
First Surgical Clinical Center of Serbia, Institute for Digestive Diseases
