[1] Univ Twente, Lab Supramol Chem & Technol, NL-7500 AE Enschede, Netherlands
[2] Univ Twente, MESA Res Inst, NL-7500 AE Enschede, Netherlands
[3] Philips Res Labs, Dept Polymers & Organ Chem, NL-5656 AA Eindhoven, Netherlands
[4] Akzo Nobel Chem Res Arnhem, Dept CGS, NL-6800 SB Arnhem, Netherlands