[1] China Med Univ, Dept Neurosurg, Fourth Hosp, Shenyang, Peoples R China
[2] Shandong Technol & Business Univ, Sch Math & Informat Sci, Yantai, Peoples R China
[3] Manchester Metropolitan Univ, Business Sch, All St Campus, Manchester, England
[4] Zhengzhou Univ, Luoyang Cent Hosp, Luoyang, Peoples R China
[5] Shanghai Univ, Sch Management, Shanghai, Peoples R China
[6] Shenzhen Univ, Neurol Dept, Shenzhen Second Peoples Hosp, Affiliated Hosp 1,Hlth Sci Ctr, Shenzhen, Peoples R China
[7] China Med Univ, First Hosp, Dept Gen Practice, Shenyang, Peoples R China