1. Weldon School of Biomedical Engineering, College of Engineering, Purdue University, West Lafayette, IN 47907, USA
2. Medical Scientist/Engineer Training Program, Indiana University School of Medicine, Indianapolis, IN 46202, USA
3. Center for Diabetes and Metabolic Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA
4. Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
5. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
6. School of Mechanical Engineering, College of Engineering, Purdue University, West Lafayette, IN 47907, USA
7. Department of Basic Medical Sciences, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47906, USA