1. Iowa Institute for Oral Health Research, College of Dentistry, The University of Iowa, Iowa City, Iowa 52242, United States
2. Department of Industrial and Systems Engineering, College of Engineering, The University of Iowa, Iowa City, Iowa 52242, United States
3. Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, United States
4. Center for Craniofacial Anomalies Research, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, United States