1. Laboratorio Zoología de Vertebrados, Departamento de Ecología y Evolución Facultad de Ciencias Montevideo Uruguay
2. Laboratorio de Evolución, Departamento de Ecología y Evolución Facultad de Ciencias Montevideo Uruguay
3. Department of Biological Sciences Western Michigan University Kalamazoo Michigan USA
4. Department of Integrative Biology Michigan State University East Lansing Michigan USA
5. Ecology, Evolution, and Behavior Program Michigan State University East Lansing Michigan USA
6. Department of Biology George Washington University Washington District of Columbia USA