1. Department of Chemical Engineering, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium
2. Analytical Development & Industrialization, UCB Pharma, Chemin du Foriest, B-1420 Braine-L’Alleud, Belgium
3. Pfizer Global Research and Development, Ramsgate Road, Sandwich, Kent, CT13 9NJ, U.K.