1. School of
Pharmacy, Promis Centre, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211
Kuopio, Finland
2. Optical
Measurement Technologies, VTT Technical Research Centre of Finland, P.O. Box 1199, FI-70211 Kuopio, Finland
3. Division of Pharmaceutical Technology,
Faculty of Pharmacy, University of Helsinki, P.O. Box 56, FI-00014 Helsinki, Finland
4. Optical Measurement Technologies, VTT Technical Research Centre of Finland, P.O. Box 1100,
FI-90571 Oulu, Finland