1. Luxembourg Institute of Science and Technology; 5 avenue des Hauts-Fourneaux L-4362 Esch/Alzette Luxembourg
2. TOTAL Refining & Chemicals, Total Research & Technology Gonfreville; BP 27 F-76700 Harfleur France
3. Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen; INSA de Rouen; CNRS, IRCOF; F-76821 Mont-Saint-Aignan Cedex France