Scientific Opinion on Flavouring Group Evaluation 65, Revision 1 (FGE.65Rev1): Consideration of sulfur‐substituted furan derivatives used as flavouring agents evaluated by JECFA (59th meeting) structurally related to a subgroup of substances within the group of 'Furfuryl and furan derivatives with and without additional side‐chain substituents and heteroatoms from chemical group 14' evaluated by EFSA in FGE.13Rev2 (2011). (18th February 2015)