1. Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM2-ENSCM-UM1; Equipe Ingénierie et Architectures Macromoléculaires; Université Montpellier II cc1702; Place Eugène Bataillon 34095 Montpellier Cedex 5 France
2. Laboratory of Polymer and Surfactant Solutions; Department of Chemistry; Federal University of Santa Catarina; 88040-900 Florianópolis SC Brazil
3. CERMAV-CNRS, BP 53; 38041 Grenoble Cédex 9 France