[1] Univ Utrecht, Utrecht Inst Pharmaceut Sci, NL-3508 TB Utrecht, Netherlands
[2] Univ Utrecht, NMR Spect Res Grp, Bijvoet Ctr Biomol Res, NL-3584 CH Utrecht, Netherlands
[3] Wageningen Univ, Lab Phys Chem & Colloid Sci, NL-6700 EK Wageningen, Netherlands