[1] Kuo Gen Hosp, Dept Emergency Med, Taipei, Taiwan
[2] Chi Mei Med Ctr, Dept Emergency Med, Taipei, Taiwan
[3] Southern Taiwan Univ Sci & Technol, Dept Biotechnol, Taipei, Taiwan
[4] Taipei Med Univ, Dept Emergency Med, Taipei, Taiwan
[5] Chi Mei Med Ctr, Dept Med Res, Liouying, Taiwan
[6] Chi Mei Med Ctr, Dept Occupat Med, Liouying, Taiwan
[7] Southern Taiwan Univ Sci & Technol, Dept Leisure Recreat & Tourism Management, Liouying, Taiwan
[8] Chi Mei Med Ctr, Dept Med Res, Liouying, Taiwan
[9] Natl Cheng Kung Univ, Dept Environm & Occupat Hlth, Coll Med, Tainan, Taiwan
[10] Southern Taiwan Univ Sci & Technol, Bachelor Program Senior Serv, Tainan, Taiwan
[11] Chi Mei Med Ctr, Dept Geriatr & Gerontol, Tainan, Taiwan
[12] Kaohsiung Med Univ, Dept Healthcare Adm & Med Informat, 100 Shin Chuan 1st Rd, Kaohsiung 807, Taiwan