1. Department of Wildlife, Fisheries and Aquaculture, Mississippi State University , Mississippi State, MS 39762 , United States
2. Department of Biological Sciences, 1101 Camden Avenue, Salisbury University , Salisbury, MD 21801 , United States
3. Department of Biology, 4102 LSB, Brigham Young University , Provo, UT 84602 , United States
4. Division of Mathematics and Science, 1205 East 3rd St., McCook Community College , McCook, NB 69001 , United States