1. Department of Environmental Conservation; University of Massachusetts; Amherst MA 01003 USA
2. Centre for Ecology and Conservation; University of Exeter; Cornwall Campus Penryn TR10 9EZ UK
3. Cátedra Rui Nabeiro - Biodiversidade; Universidade de Évora; Casa Cordovil 2 Andar, Rua Dr. Joaquim Henrique da Fonseca 7000-890 Évora Portugal
4. Departamento de Biodiversidad y Biología Evolutiva; Museo Nacional de Ciencias Naturales; Consejo Superior de Investigaciones Científicas (CSIC); Calle José Gutierrez Abascal, 2 28006 Madrid Spain
5. Department of Ecology and Evolutionary Biology; University of California; Irvine CA 92697 USA