1. Epithelial Biology Center, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
2. Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.
3. Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
4. Chemical and Physical Biology Program, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
5. Department of Cancer Biology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.
6. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
7. Veterans Affairs Medical Center, Tennessee Valley Healthcare System, Nashville, TN 37232, USA.