1. Division of Operative Dentistry; Rutgers School of Dental Medicine; Newark New Jersey USA
2. School of Dental Hygiene; Dr. Gerald Niznick College of Dentistry; University of Manitoba School of Dental Hygiene; Winnipeg Canada
3. Department of Periodontics; University of Texas Health San Antonio School of Dentistry; San Antonio Texas USA
4. Department of Cell Systems and Anatomy; University of Texas Health San Antonio School of Dentistry; San Antonio Texas USA
5. College of Dental Medicine; Western University of Health Sciences College of Dental Medicine; Pomona California USA
6. Comprehensive Care; ASDOH (Arizona School of Dentistry & Oral Health); A.T. Still University; Mesa Arizona USA
7. Department of Stomatology and Division of Population Oral Health; James B. Edwards College of Dental Medicine; Medical University of South Carolina; Charleston South Carolina USA