[1] Chongqing Univ Posts & Telecommun, Sch Econ & Management, Chongqing, Peoples R China
[2] China Med Univ, Dept Oncol, Shengjing Hosp, 36 Sanhao St, Shenyang, Liaoning, Peoples R China
[3] Liaoning Thrombosis Integrated Tradit Chinese & We, Dept Clin Lab, Shenyang, Peoples R China
[4] Sixth Peoples Hosp Shenyang, Dept Gerontol, Shenyang, Peoples R China
[5] Chongqing Univ Posts & Telecommun, Counseling Ctr, Chongqing, Peoples R China