1. Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA.
2. Indiana Center for Biological Microscopy, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.
3. McGowan Institute for Regenerative Medicine, Department of Plastic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
4. McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.