[1] Buddhist Tzu Chi Med Fdn, Taichung Tzu Chi Hosp, Dept Emergency, Taichung 427, Taiwan
[2] China Med Univ, Coll Med, Sch Med, Grad Inst Basic Med Sci,Dept Physiol, Taichung 404, Taiwan
[3] Changhua Christian Hosp, Dept Otorhinolaryngol Head & Neck Surg, Changhua 500, Taiwan
[4] Far Eastern Mem Hosp, Dept Otolaryngol, New Taipei 220, Taiwan
[5] Natl Taiwan Univ, Natl Taiwan Univ Hosp, Coll Med, Dept Surg, Taipei 100, Taiwan
[6] China Med Univ, Dept Publ Hlth, Taichung 404, Taiwan
[7] China Med Univ, Dept Nutr, Taichung 40402, Taiwan
[8] China Med Univ, Master Program Food & Drug Safety, Taichung 40402, Taiwan