1. Division of Biological Sciences, University of Missouri-Columbia, Columbia, Missouri, USA
2. Department of Zoology, University of Texas at Austin, Austin, Texas, USA
3. Developmental Endocrinology and Endocrine Disruptor Section, Laboratory of Molecular Toxicology, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
4. Department of Biomedical Sciences, University of Missouri-Columbia, Columbia, Missouri, USA