[1] Niigata Univ, Fac Dent, Dept Periodontol, Niigata 9518514, Japan
[2] Niigata Univ, Fac Dent, Dept Prevent Dent, Niigata 9518514, Japan
[3] Univ Med Ctr Utrecht, Dept Immunol, Lab Immunotherapy, Utrecht, Netherlands
[4] Univ Med Ctr Utrecht, Genmab, Utrecht, Netherlands