1. German National Reference Centre for Borrelia at the Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, Germany
2. Department of Environmental Science, University of California, Policy and Management, Berkeley, CA, USA
3. Laboratory of Zoonotic Pathogens, National Institute of Allergy and Infectious Disease and National Institutes of Health, Rocky Mountain Laboratories (RML), Hamilton, MT, USA