Submitted on: 14 June 2012.
Revised on: 08 September 2012.
Accepted on: 04 November 2012.
___________________Families Relationships and Societies
http://reply.papertrans.cn/1/97/9632/9632-32.png
http://reply.papertrans.cn/1/97/9632/9632-33.png
Submitted on: 20 October 2016.
Revised on: 21 January 2017.
Accepted on: 20 March 2017.
___________________Families Relationships and Societies
http://reply.papertrans.cn/1/97/9632/9632-35.png
http://reply.papertrans.cn/1/97/9632/9632-36.png