1. School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin 2, Ireland
2. Drug Product Science and Technology, Bristol-Myers Squibb, East Brunswick, New Jersey 08901, United States
3. School of Pharmacy and Medical Sciences, Faculty of Life Sciences, Centre for Pharmaceutical Engineering Science, University of Bradford, Richmond Road, Bradford, W. Yorks BD7 1DP, U.K.
4. Physiolution GmbH, Walther-Rathenau Strasse 49a, 17489 Greifswald, Germany