Affiliation: | (1) Center for Medical Genetics, Marshfield Clinic Research Foundation, Marshfield, WI 54449, USA;(2) Pioneer Hi-Bred International, Johnston, IA, US;(3) National Center for Biotechnology Information, National Institutes of Health, Bethesda, MD, USA;(4) Molecular Diagnostic Genotyping Laboratory, Marshfield Clinic Research Foundation, Marshfield, WI 54449, USA |