1. Department of Cell Biology, University of Alabama at Birmingham, Birmingham,AL 35294, USA
2. Department of Medicine, Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, AL 35294, USA
3. High Resolution Imaging Facility, University of Alabama at Birmingham,Birmingham, AL 35294, USA
4. Department of Medicine, Division of Nephrology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
5. Nephrology Research and Training Center, University of Alabama at Birmingham,Birmingham, AL 35294, USA
6. Department of Physiology and Biophysics, University of Alabama at Birmingham,Birmingham, AL 35294, USA