Author/Authors :
YAN, Tingmei Dept. of Health Services Management - School of Public Health - China Medical University, Shenyang, P.R.China , LI, Shuang Dept. of Noncommunicable Chronic Diseases Prevention - Liaoning Provincial Center for Disease Control and Prevention, She-nyang, P.R.China , PAN, Guowei Dept. of Noncommunicable Chronic Diseases Prevention - Liaoning Provincial Center for Disease Control and Prevention, She-nyang, P.R.China , QU, Bo Dept. of Health Services Management - School of Public Health - China Medical University, Shenyang, P.R.China