1Department of Clinical Medicine, Weifang Medical University, 7166# Baotong West Street, Weifang, Shandong 261053 P. R. China
2Department of Psychology, Weifang Medical University, 7166# Baotong West Street, Weifang, Shandong 261053 P. R. China
3Department of Psychology, Qingdao University, 16# Qingda First Street, Qingdao, Shandong 266071 P. R. China
4School of Public Health and Management, Weifang Medical University, 7166# Baotong West Street, Weifang, Shandong 261053 P. R. China
5Department of Neurology, Sunshine Union Hopital, 9000# Yingqian Street, Weifang, Shandong 261000 P. R. China
6Department of Psychiatry and Centre for Reproduction Growth and Development, University of Hong Kong, Hong Kong, China
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