1. Beltsville Human Nutrition Research Center; USDA-ARS; Beltsville Maryland 20705 USA
2. Department of Plant Science & Landscape Architecture; University of Maryland, College Park; Maryland 20742 USA
3. Soybean Genomics and Improvement Laboratory; USDA-ARS; Beltsville Maryland 20705 USA
4. Animal Biosciences and Biotechnology Laboratory; USDA-ARS; Beltsville Maryland 20705 USA