1. 1Department of Food Science, University of Arkansas, Fayetteville, Arkansas 72704, USA
2. 2Department of Agricultural Economics, Bioscience Engineering Faculty, Ghent University, Coupure links 653, B-9000 Ghent, Belgium
3. 3Agricultural Statistics Laboratory, University of Arkansas, Fayetteville, Arkansas 72701, USA
4. 4Walmart Stores, Bentonville, Arkansas 72716, USA