1. Department of Pharmacology (A.K.L., A.T.), University of Alberta, Edmonton, Alberta, Canada T6G 2H7;
2. Department of Biology (J.L.S.), George Fox University, Newberg, Oregon 97132;
3. Instituto de Investigaciones en Ingenieria Genética y Biologia Molecular (M.R.), Consejo Nacional de Investigaciones Científicas y Técnicas and Departamento Fisiologia, Biologia Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
4. Department of Molecular and Integrative Physiology and Brehm Diabetes Centre (M.J.L.), University of Michigan Medical School, Ann Arbor, Michigan 48105;