Luo, Meng Sha http://orcid.org/0000-0002-6228-9255
Chui, Ernest Wing Tak
Article History
First Online: 5 January 2019
Compliance with Ethical Standards
:
: The manuscript is original, has not previously been published, and is not under current consideration elsewhere. The 2012 Chinese General Social Survey protocols were approved by the Renmin University of China review board. The present study was exempted from review because it uses de-identified and publicly available data.
: The authors have no conflicts of interest to declare.