1. Biology Department, Carroll University, 100 N East Avenue, Waukesha, Wisconsin 53186, USA
2. Evolutionary Ecology, German Centre for Integrative Biodiversity (iDiV), Puschstrasse 4, 04103 Leipzig, Germany
3. Center for Wildlife Health, The University of Tennessee, 2621 Morgan Circle, Knoxville, Tennessee 37996-4563, USA