[1] Harbin Engn Univ, Coll Comp Sci & Technol, Harbin, Peoples R China
[2] Capital Med Univ, Beijing Rehabil Hosp, Beijing, Peoples R China
[3] Northeast Agr Univ, Coll Life Sci, Harbin, Peoples R China
[4] Harbin Med Univ, Sch Marxism, Harbin, Peoples R China
[5] Harbin Med Univ, Dept Human Resources, Affiliated Hosp 6, Harbin, Peoples R China
[6] Southern Med Univ, Sch Hlth Management, Guangzhou, Peoples R China