1. Rocky Mountain Biological Laboratory PO Box 519 Crested Butte CO 81224 USA
2. Department of Biology University of Colorado 1420 Austin Bluffs Parkway Colorado Springs CO 80918 USA
3. Vassar College 124 Raymond Ave Poughkeepsie NY 12604 USA
4. Department of Chemistry and Biochemistry University of Colorado 1420 Austin Bluffs Parkway Colorado Springs CO 80918 USA