1. Department of Human Microbiology, Sackler School of Medicine, Tel Aviv University, Tel Aviv
2. Institute of Infectious Diseases and Public Health
3. Department of General Surgery, I.N.R.C.A., I.R.R.C.S., University of Ancona
4. Research Department, Biotechnology Center, I.N.R.C.A., I.R.R.C.S., Ancona, Italy
5. Laboratory of Antimicrobial Peptides Investigation, Department of Food Engineering & Biotechnology, Technion-Israel Institute of Technology, Haifa 32000, Israel, and