1. Department of Surgery, Southwestern Academic Limb Salvage Alliance, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
2. Grunberger Diabetes Institute, Bloomfield Hills, MI, USA
3. Internal Medicine, Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, USA
4. Department of Internal Medicine, Oakland University William Beaumont School of Medicine, Rochester, MI, USA