1. Department of Biologic and Materials Sciences University of Michigan School of Dentistry Ann Arbor Michigan
2. Department of Anatomy and Cell Biology, Faculty of Medicine McGill University Montreal Quebec Canada
3. Department of Pediatric Dentistry, School and Hospital of Stomatology Peking University Beijing China
4. Department of Orofacial Sciences UCSF School of Dentistry San Francisco California
5. Department of Dentistry National Taiwan University School of Dentistry Taipei City Taiwan R.O.C
6. Department of Molecular Genetics and Department of Pediatric Dentistry & Dental Research Institute, School of Dentistry Seoul National University Seoul Korea
7. Department of Periodontics and Department of Cell Systems & Anatomy, School of Dentistry University of Texas Health Science Center at San Antonio San Antonio Texas