1. Department of Oncology,
Haematology and Bone Marrow Transplantation with Section Pneumology,
Hubertus Wald-Tumorzentrum, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Laboratory of Marine Natural Products Chemistry,
G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-East Branch, Russian Academy of Sciences, Russian Federation
3. Heinrich Pette Institute−Leibniz Institute for Experimental Virology, Hamburg, Germany