[1] Chia Te Dent Clin, New Taipei City, Taiwan
[2] Natl Taiwan Normal Univ, Sch Life Sci, Taipei, Taiwan
[3] Natl Taiwan Normal Univ, Sci Educ Ctr, Taipei, Taiwan
[4] Natl Taiwan Univ, Natl Taiwan Univ Hosp, Dept Dent, Coll Med, Taipei, Taiwan
[5] Natl Taiwan Univ, Grad Inst Clin Dent, Sch Dent, Taipei, Taiwan
[6] Natl Taiwan Univ, Grad Inst Oral Biol, Sch Dent, Taipei, Taiwan
[7] Hualien Tzu Chi Hosp, Buddhist Tzu Chi Med Fdn, Dept Dent, Hualien, Taiwan
[8] Hualien Tzu Chi Hosp, Buddhist Tzu Chi Med Fdn, Dept Dent, 707, Sect 3,Chung Yang Roa, Hualien 970, Taiwan