1. Department of Bioengineering, Rice University, Houston, Texas.
2. Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
3. Wake Forest Institute for Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina.
4. Department of Biomaterials, Radboud UMC, Nijmegen, The Netherlands.
5. Department of Otorhinolaryngology, University of Texas Medical School at Houston, Houston, Texas.
6. Department of Oral and Maxillofacial Surgery, University of Texas Dental Branch at Houston, Houston, Texas.
7. Department of Plastic Surgery, Ohio State University, Columbus, Ohio.