1. Associate Professor-Program Director, Center for Dental Research; Loma Linda University School of Dentistry; 11175 Campus St. CSP #A1010 Loma Linda CA 92354 USA
2. Professor and Director, Division of Biostatistics and Research Design, Departments of Pediatric Dentistry & Biostatistics and the Interdisciplinary Programs in Genetics and in Informatics; University of Iowa College of Dentistry & Dental Clinics; 801 Newton Road #451, DSB N101-9 Iowa City IA 52242-1001 USA
3. Professor Oral Pathology, Radiology and Medicine, Dows Institute for Dental Research, University of Iowa College of Dentistry & Dental Clinics; 801 Newton Road #451, DSB N449 Iowa City IA 52242-1001 USA