1. Department of Biology University of Texas at El Paso El Paso Texas USA
2. Department of Biological Sciences Towson University Towson Maryland USA
3. Lamont Doherty Earth Observatory Columbia University New York New York USA
4. Department of Natural Resources and the Environment University of New Hampshire Durham New Hampshire USA
5. Department of Ecology, Evolution and Environmental Biology Columbia University New York New York USA
6. Department of Earth and Environmental Sciences Columbia University New York New York USA