1. Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, USA.
2. Department of Urology, Stanford University School of Medicine, Stanford, CA, USA.
3. Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA, USA.
4. Materials Research Institute, The Pennsylvania State University, University Park, PA, USA.
5. Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA.
6. Division of Nephrology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
7. Department of Surgery, The Pennsylvania State University, College of Medicine, Hershey, PA, USA.