1. Mycoplasma Unit, Division of Avian and Aquatic Diseases, Kimron Veterinary Institute, Beit Dagan, Israel
2. Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
3. Department of Molecular Microbiology and Biotechnology, Tel Aviv University, Tel Aviv, Israel
4. Department of Bacteriology, Animal and Plant Health Agency, Addlestone, United Kingdom
5. Department of Microbiology and Molecular Genetics, The Hebrew University of Jerusalem, Jerusalem, Israel