Author/Authors :
LI, Ning School of Nursing - Health Science Center - Xi'an Jiaotong University, Xi'an, China , LI, Bin Traditional Chinese Medicine Hospital, Xi'an, China , DOU, Juanhua Traditional Chinese Medicine Hospital, Xi'an, China , Wang, Xueliang Dept. of Public Health - College of Public Health, Health Science Center - Xi’an Jiaotong University, Xi'an, China
