http://reply.papertrans.cn/4/301/30094/30094-21.png
http://reply.papertrans.cn/4/301/30094/30094-22.png
http://reply.papertrans.cn/4/301/30094/30094-23.png
Submitted on: 03 June 2014.
Revised on: 01 July 2014.
Accepted on: 12 July 2014.
Twin Research and Human Genetics
http://reply.papertrans.cn/4/301/30094/30094-25.png
http://reply.papertrans.cn/4/301/30094/30094-26.png
http://reply.papertrans.cn/4/301/30094/30094-27.png
http://reply.papertrans.cn/4/301/30094/30094-28.png
http://reply.papertrans.cn/4/301/30094/30094-29.png
Submitted on: 18 August 2005.
Revised on: 21 September 2005.
Accepted on: 03 October 2005.
Twin Research and Human Genetics