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Submitted on: 19 December 2013.
Revised on: 23 February 2014.
Accepted on: 12 April 2014.
___________________Frontiers in Sustainable Food Systems
Submitted on: 18 May 2007.
Revised on: 23 August 2007.
Accepted on: 15 September 2007.
___________________Frontiers in Sustainable Food Systems
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Submitted on: 26 December 2013.
Revised on: 20 March 2014.
Accepted on: 05 April 2014.
___________________Frontiers in Sustainable Food Systems
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