1 Research Centre for Regenerative Medicine, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan; Department of Oral Growth and Development, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan.
2 Research Centre for Regenerative Medicine, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan; Department of Physiological Science and Molecular Biology, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan. Electronic address: kajiya@college.fdcnet.ac.jp.
3 Research Centre for Regenerative Medicine, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan; Department of Oral Rehabilitation, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan.
4 Department of Oral Rehabilitation, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan.
5 Department of Oral Growth and Development, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan.
6 Research Centre for Regenerative Medicine, Fukuoka Dental College, 2-15-1 Tamura, Fukuoka, Japan.