1. Institute of Macromolecular Chemistry, AS CR, Heyrovsky Sq. 2, Prague, Prague 6, 162 06, Czech Republic
2. ISIS-STFC,
Rutherford
Appleton Laboratory, Chilton, OX11 0QX Oxon United Kingdom
3. School
of Pharmacy, University of Reading, Whiteknights, PO Box 224, Reading, RG6
6AD Berkshire, United Kingdom
4. Department of Pharmacy & Research Centre in Topical Drug Delivery and Toxicology, University of Hertfordshire, Hatfield, AL10 9AB Hertfordshire, United Kingdom