1. Biomedical Research in Cancer Stem Cells, Vall d'Hebron Research Institute, Barcelona, Spain.
2. Faculty of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia.
3. Institute of Molecular Biology and Biophysics, Novosibirsk, Russia.
4. ICRC-FNUSA, International Clinical Research Center and St. Anne's University Hospital Brno, Brno, Czech Republic.