Courtney L. Moore, Augustana College ; Claire E. Bestul, Augustana College ; Ashley P. Schmidt, Augustana College ; Brooke K. Woelber, Augustana College ; Christina H. Johnson, Augustana College ; Carrie L. Hall, Augustana College ; Daniel R. Howard, Augustana College
Brad S. Coates, USDA - ARS ; Holly Lynn Johnson, University of Delaware ; Charles Mason, University of Delaware ; Richard Hellmich, USDA-ARS ; Thomas W. Sappington, USDA - ARS