1. School of Food Science, Washington State University, Pullman, WA 99164-6420, U.S.A.
2. U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS)–CSWQRU, Wooster, OH 44691, U.S.A.
3. Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT 59717, U.S.A.
4. Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164-6420, U.S.A.
5. USDA-ARS, Western Wheat Quality Laboratory, Pullman, WA 99164-6394, U.S.A.
6. Department of Crop and Soil Sciences, Western Wheat Quality Laboratory, Washington State University, Pullman, WA 99164-6394, U.S.A.