1. Department of Physiology, Harold Hamm Oklahoma Diabetes Center, University of Oklahoma Health Sciences Center, 941 Stanton L. Young Blvd, Oklahoma City, OK 73104, U.S.A.
2. Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, 941 Stanton L. Young Blvd, Oklahoma City, OK 73104, U.S.A.