1. Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
2. Department of Orthodontics and Oral Facial Genetics, School of Dentistry, Indiana University, Indianapolis, IN, USA
3. School of Dentistry, Javeriana University, Bogotá, Colombia
4. Fundación Santa Fé de Bogotá Hospital, Bogotá, Colombia