1. Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
2. Gene Expression and Regulation Section, Laboratory of Cell and Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
3. Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA