[1] Univ Oklahoma, Dept Oral & Maxillofacial Surg, Oklahoma City, OK 73117 USA
[2] Louisiana State Univ, Dept Oral & Maxillofacial Surg, New Orleans, LA USA
[3] San Antonio Mil Oral & Maxillofacial Surg Residen, Joint Base San Antonio, TX USA
[4] Univ Pittsburgh, Sch Dent Med, Dept Oral & Maxillofacial Surg, Pittsburgh, PA USA
[5] Arnold Palmer Hosp Children, Dept Pediat Craniomaxillofacial Surg, Craniofacial Disorders Program, Orlando, FL 32806 USA