1. Global Smile Foundation, Norwood, MA, USA
2. Department of Plastic Surgery, University of California Irvine School of Medicine, Orange, CA, USA
3. Department of Pediatric Plastic Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
4. Department of Otolaryngology-Head & Neck Surgery, University of Arkansas for Medical Sciences, Little Rock, AK, USA
5. Department of Plastic, Reconstructive and Oral Surgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA