1. Rush Craniofacial Center, Rush University Medical Center, Chicago, Illinois
2. Department of Anatomy and Cell Biology, The Graduate College, Rush University, Medellin, Colombia
3. Department of Orthodontics, College of Dentistry, CES University, Medellin, Colombia
4. College of Dentistry, Universidad de Antioquia, Medellin, Colombia.
5. Department of Anatomy and Cell Biology, Rush University, Chicago, Illinois.
6. Department of Plastic and Reconstructive Surgery and Co-director, Rush Craniofacial Center, Rush University Medical Center, Chicago, Illinois.