Affiliation: | 1. Department of Physiology and Biophysics, University of Iowa, Iowa City, IA 52242 U.S.A.;2. Department of Diabetes and Endocrinology Research Center, University of Iowa, Iowa City, IA 52242 U.S.A.;3. Department of Biochemistry, University of Iowa, Iowa City, IA 52242 U.S.A. |