1. Pediatric Dentistry private practice; Houston Texas
2. Associate Professor and Head; Department of Pediatric Dentistry; College of Dentistry; University of Illinois at Chicago; Chicago Illinois
3. Associate Professor; Department of Pediatric Dentistry; College of Dentistry; University of Illinois at Chicago; Chicago Illinois
4. Professor, Department of Pediatric Dentistry, College of Dentistry; University of Illinois at Chicago; Chicago Illinois
5. Medical Student; St. Louis University School of Medicine; St. Louis Missouri
6. Associate Professor, Department of Oral Medicine and Diagnostic Sciences; College of Dentistry; University of Illinois at Chicago; Chicago Illinois