[1] Natl Yang Ming Univ, Inst Publ Hlth, Fac Med, Sch Med, Taipei 112, Taiwan
[2] Natl Yang Ming Univ, Inst Hosp & Hlth Care Adm, Fac Med, Sch Med, Taipei 112, Taiwan
[3] Natl Yang Ming Univ, Dept Publ Hlth & Med Humanities, Fac Med, Sch Med, Taipei 112, Taiwan
[4] Taipei City Hosp, Heping Fuyou Branch, Dept Tradit Chinese Med, Taipei, Taiwan
[5] Taipei City Hosp, Dept Educ & Res, Taipei, Taiwan
[6] Chang Gung Mem Hosp, Dept Med Res & Dev, Keelung, Taiwan
[7] Natl Yang Ming Univ, Community Med Res Ctr, Taipei 112, Taiwan