1. Epidemiology; RTI Health Solutions, Research Triangle Park; North Carolina; USA
2. Safety; HealthCore, Inc.; Wilmington; Delaware; USA
3. Oral Epidemiology; Columbia University; New York; New York; USA
4. Oral & Maxillofacial Surgery; Tufts University; Boston; Massachusetts; USA
5. Global Biostatistics and Epidemiology; Amgen, Inc.; Thousand Oaks; California; USA