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Publication editor and director

 

This website is published by Optorg

49-51 quai de Dion Bouton

92800 Puteaux, France

Phone: +33 (0)1 49 06 44 00

E-mail: info@optorg.com

 

Editorial Director: Stéphanie Erbs

 

Graphic design, development and production

 

This site was created by TroisTemps

 

Translation

 

The English and Chinese versions of this site were translated from the French by Sémantis.