1. Department of Oral Biology and Pathology, School of Dental Medicine, School of Medicine, Health Sciences Center, State University of New York at Stony Brook, Stony Brook, New York 11794-8700, Second Department of Oral Anatomy, School of Dentistry, Showa University, Tokyo, Japan
2. Department of Anatomical Sciences, School of Medicine, Health Sciences Center, State University of New York at Stony Brook, Stony Brook, New York 11794-8700
3. Department of Oral Biology and Pathology, School of Dental Medicine, School of Medicine, Health Sciences Center, State University of New York at Stony Brook, Stony Brook, New York 11794-8700