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		| First Author:
 
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		| Caroline  Duburcq | 
	
		| DEFI, Université Aix-Marseille II | 
	
		| caroline@villavogue.com | 
	
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		| 1, rue de la Poste | 
	
		| La Garde-Freinet, 83680, FRANCE | 
	
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		| 33679895128(Phone) | 
	
		| 33679895128(Fax) | 
	
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		| Second Author: 
 
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		| Eric  Girardin | 
	
		| GREQAM, Université Aix-Marseille II | 
	
		| eric.girardin@univmed.fr | 
	
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