1. Seattle Science Foundation; Seattle Washington USA
2. Department of Anatomy; Kurume University School of Medicine; Kurume Fukuoka Japan
3. Dental and Oral Medical Center, Kurume University School of Medicine; Kurume Fukuoka Japan
4. Sigma Dental Specialists; Prosper Texas USA
5. Department of Restorative Dental Sciences, Division of Prosthodontics; University of Florida, College of Dentistry; Gainesville Florida USA
6. Swedish Neuroscience Institute, Swedish Medical Center; Seattle Washington USA
7. Department of Anatomical Sciences; St. George's University; St. George's Grenada