[1] MacKay Mem Hosp, Dept Stomatol, Taipei, Taiwan
[2] MacKay Jr Coll Med Nursing & Management, Dept Cosmet Applicat & Management, Taipei, Taiwan
[3] MacKay Med Coll, Dept Med, New Taipei City, Taiwan
[4] Natl Taipei Univ Nursing & Hlth Sci, Sch Nursing, Dept Nursing, Taipei, Taiwan
[5] Natl Taiwan Univ, Natl Taiwan Univ Hosp, Coll Med, Dept 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, 707,Sect 3,Chung Yang Rd, Hualien, Taiwan