1. Department of Chemical and Biological Physics, Faculty of Chemistry, Weizmann Institute of Science, Rehovot, Israel
2. Electron Microscopy Unit, Chemical Research Support, Weizmann Institute of Science, Rehovot, Israel
3. Department of Molecular Chemistry and Materials Science, Faculty of Chemistry, Weizmann Institute of Science, Rehovot, Israel
4. Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel
5. Department of Microbiology and Molecular Genetics, Institute for Medical Research Israel-Canada, and The Kuvin Center for the Study of Infectious and Tropical Diseases, The Hebrew University-Hadassah Medical School, Jerusalem, Israel