[1
]
Advanced Research Center, The Nippon Dental University School of Life Dentistry at
Niigata, Niigata, Japan.
[2
]
Department of Histology, The Nippon Dental University School of Life Dentistry at
Niigata, Niigata, Japan.
[3
]
Department of Oral and Maxillofacial Surgery, The Nippon Dental University School
of Life Dentistry at Niigata, Niigata, Japan.
[4
]
Department of Cranio-Maxillofacial Surgery, Inselspital, Bern University Hospital
and University of Bern, Bern, Switzerland.