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First Author:
 
Manuel A Hernandez
International Food Policy Research Institute
m.a.hernandez@cgiar.org
 
Washington, 20006, USA
 
2028625645(Phone)
2028625645(Fax)
https://sites.google.com/site/manuelhernandez27/

Second Author:

Guoying Deng
Sichuan University
dengguoying@scu.edu.cn
 
 
 
 

Third Author:

Yaoguo Wu
Sichuan University
yaoguo_wu@126.com