1. V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences, 41 Prospect Nauki, 03028 Kyiv, Ukraine, Department of Microbiology, Tumor and Cellular Biology (MTC), Karolinska Institute, S17177 Stockholm, Sweden, and IRIS (Center for Integrative Recognition in the Immune System), Karolinska Institute, S17177 Stockholm, Sweden