1. Department of Mechanical and Energy Engineering, Indiana University–Purdue University Indianapolis, Indianapolis, Indiana, United States
2. Division of Orthodontics, University of Louisville School of Dentistry, Louisville, Kentucky, United States
3. Department of Orthodontics and Oral Facial Genetics, Indiana University School of Dentistry, Indianapolis, Indiana, United States
4. Division of Orthodontics, School of Dentistry, University of Connecticut Health, Farmington, Connecticut, United States