[1] Yuyao Peoples Hosp, Dept Cardiovasc Med, Ningbo, Zhejiang, Peoples R China
[2] Yuyao Peoples Hosp, Dept Gen Practice, Ningbo, Zhejiang, Peoples R China
[3] Yuyao Peoples Hosp, Emergency Trauma Dept, Ningbo, Zhejiang, Peoples R China
[4] Yuyao Peoples Hosp, Dept Geriatr, Ningbo, Zhejiang, Peoples R China