1 Department of Gerontology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 250014, Jinan, China.
2 Department of Acupuncture, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 250014, Jinan, China.
3 Department of Science and education, Shandong Mental Health Center, 250014, Jinan, China.
4 Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, 250014, Jinan, China. cdz45@foxmail.com.