1. University of Nebraska − Lincoln, Lincoln, Nebraska 68588-0115, United States
2. Sustainable Biofuels and Co-Products Research Unit, USDA-ARS, Eastern Regional Research Center, Wyndmoor, Pennsylvania 19038-8598, United States
3. Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via P. Giuria 9, I-10125 Torino, Italy
4. GC Image, LLC, PO Box 57403, Lincoln, Nebraska 68505-7403, United States