[1] Kyushu Dent Coll, Oral Biores Ctr, Kokurakita Ku, Kitakyushu, Fukuoka 8038580, Japan
[2] Kyushu Dent Coll, Div Oral & Maxillofacial Reconstruct Surg, Dept Oral & Maxillofacial Surg, Kokurakita Ku, Kitakyushu, Fukuoka 8038580, Japan
[3] Kyushu Dent Coll, Div Infect & Mol Biol, Dept Hlth Promot, Kokurakita Ku, Kitakyushu, Fukuoka 8038580, Japan