1. Department of Orthodontics, University of Texas Health Science Center at Houston, Houston, TX, USA.
2. Division of Orthodontics, University of Connecticut Health, Farmington, CT, USA.
3. Department of Orthodontics, Brodie Laboratory for Craniofacial Genetics, University of Illinois at Chicago, Chicago, IL, USA.
4. Division of Oral and Maxillofacial Radiology, University of Connecticut Health, Farmington, CT, USA.