1. Seattle Science Foundation; Seattle Washington
2. Division of Gross and Clinical Anatomy, 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. Swedish Neuroscience Institute, Swedish Medical Center; Seattle Washington
5. Department of Anatomical Sciences; St. George's University; Grenada, West Indies