1. Duke University School of Medicine, Durham, NC, USA
2. Duke Pratt School of Engineering, Durham, NC, USA
3. Division of Plastic, Maxillofacial, and Oral Surgery, Department of Surgery, Duke University, Durham, NC, USA
4. Department of Surgery, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
5. University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
6. Department of Plastic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA