1. Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine and The Program in Cellular and Molecular Physiology, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, Massachusetts 02111, USA
2. Program in Membrane Biology/Nephrology Division, Center for Systems Biology, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts, 02114, USA
3. Department of Biochemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College, Kyotanabe, Kyoto 610-0395, Japan
4. Division of Biological Science, Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan
5. Department of Pathology, Molecular Pathology Unit, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
6. Department of Pathology, Tufts Medical Center, Boston, Massachusetts 02111, USA