1. University of Washington School of Medicine, Seattle, Washington, USA.
2. Department of Plastic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
3. Division of Plastic Surgery, University of Utah Health, Salt Lake City, Utah, USA.
4. Plastic Surgery Department, Menoufia University, Shebin El Kom, Egypt.
5. Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.
6. McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania, USA.
7. Department of Bioengineering, University of Pittsburgh School of Engineering, Pittsburgh, Pennsylvania, USA.