1. Dept of Biological Sciences; Florida International Univ.; FL USA
2. Bell Museum and Dept of Ecology, Evolution, and Behavior; Univ. of Minnesota; St. Paul MN USA
3. Laurel MD USA
4. Dept of Biology; Univ. of Utah; Salt Lake City UT USA
5. Laboratorio de Bioclimatología, Red de Biología Evolutiva; Inst. de Ecología; Veracruz México
6. School of Natural Resources, School of Biological Sciences, and Nebraska State Museum; Univ. of Nebraska; Lincoln NE USA