1. Institute of Veterinary Bacteriology, University of Bern, Switzerland
2. International Livestock Research Institute, Nairobi, Kenya
3. Institute of Veterinary Pathology, University of Bern, Switzerland
4. French National Institute for Agricultural Research, Villenave d’Ornon, France
5. University of Bordeaux, UMR 1332 de Biologie du Fruit et Pathologie, Villenave d’Ornon, France
6. J. Craig Venter Institute, Rockville, Maryland