1. US Geological Survey, Wetland and Aquatic Research Center Gainesville FL USA
2. Department of Biology George Mason University Fairfax VA USA
3. Conservation Medicine Laboratory, Centro de Biotecnología Genómica Instituto Politécnico Nacional Tam Mexico
4. United Nation Development Programe–Comisión Nacional de Áreas Naturales Protegidas Tam Mexico
5. Department of Environmental Science and Policy George Mason University Fairfax VA USA