1. Analytical Chemistry Division, National Institute of Standards and Technology (NIST), 100 Bureau Drive, MS 8311, Gaithersburg, Maryland 20899-8392, United States; Biochemical Science Division, National Institute of Standards and Technology (NIST), 100 Bureau Drive, MS 8311, Gaithersburg, Maryland 20899-8392, United States; Statistical Engineering Division, National Institute of Standards and Technology (NIST), 100 Bureau Drive, MS 8980, Gaithersburg, Maryland 20899-8980, United States; Food Composition...