[1] Pingtung Christian Hosp, Dept Clin Res, Pingtung 90000, Taiwan
[2] Kaohsiung Med Univ, Grad Inst Dent Sci, Kaohsiung, Taiwan
[3] Kaohsiung Med Univ, Grant Inst Med, Kaohsiung, Taiwan
[4] Kaohsiung Med Univ, Grad Inst Oral Hlth Sci, Kaohsiung, Taiwan
[5] Natl Taiwan Univ, Inst Prevent Med & Publ Hlth, Taipei 10764, Taiwan
[6] Ren Ji Hosp, Dept Internal Med, Taipei, Taiwan