http://reply.papertrans.cn/3/276/27581/27581-11.png
Submitted on: 05 January 2001.
Revised on: 20 January 2001.
Accepted on: 28 January 2001.
Science Advances---AMER ASSOC ADVANCEMENT SCIENCE
http://reply.papertrans.cn/3/276/27581/27581-13.png
http://reply.papertrans.cn/3/276/27581/27581-14.png
http://reply.papertrans.cn/3/276/27581/27581-15.png
http://reply.papertrans.cn/3/276/27581/27581-16.png
Submitted on: 30 March 2003.
Revised on: 10 May 2003.
Accepted on: 31 May 2003.
Science Advances---AMER ASSOC ADVANCEMENT SCIENCE
http://reply.papertrans.cn/3/276/27581/27581-18.png
Submitted on: 23 November 2012.
Revised on: 24 December 2012.
Accepted on: 01 January 2013.
Science Advances
Submitted on: 27 December 2003.
Revised on: 12 January 2004.
Accepted on: 04 February 2004.
Science Advances---AMER ASSOC ADVANCEMENT SCIENCE