aDepartment of Emergency Medicine, Zhong-Xiao Branch, Taipei City Hospital, Taipei, Taiwan, R.O.C.
bInstitute of Emergency and Critical Care Medicine, National Yang-Ming University, Taipei, Taiwan, R.O.C.
cDepartment of Emergency Medicine, Shing-Kong Wu-Ho-Shieh Memorial Hospital, Taipei, Taiwan, R.O.C.
dSchool of Medicine, Fu Jen Catholic University, Taipei, Taiwan, R.O.C.
eNational Yang-Ming University Hospital School of Medicine, Taipei, Taiwan, R.O.C.
fDepartment of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, R.O.C.
*Correspondence to: Dr David Hung-Tsang Yen, Department of Emergency Medicine, Taipei Veterans General Hospital, 201, Section 2, Shih-Pei Road, Taipei 112, Taiwan, R.O.C.
E-mail: [email protected]
Received: April 10, 2008; • Accepted: January 15, 2009.