Elena (Lewis & Clark College Diamond USA),Shelley R. (California State University Hart Chico USA),Amy Jane Griffiths,Stephen E. (California State University Brock Sacramento USA)
（2）
Paul R. (University of California Gray Berkeley),Paul J. (University of California Hurst Davis),Stephen H. (University of California Lewis Davis),Robert G. (University of California Meyer Berkeley)
（1）
Paul R. Gray/ Paul J. Hurst/ Stephen H. Lewis/ Robert G. Meyer
（1）
Peter L. Read/ Stephen R. Lewis
（1）
