1. Laboratory of Cellular and Molecular Biophysics, National Institute of Child Health and Human Development
2. A.N. Frumkin Institute of Electrochemistry, Russian Academy of Science, Moscow, 119071, Russia
3. Experimental Diabetes, Metabolism, and Nutrition Section, Diabetes Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, 20892