1. Laboratory of Food Process Engineering, ETH Zürich, Schmelzbergstrasse 9, 8092 Zürich,
Switzerland
2. Laboratory
for Neutron Scattering, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
3. Nestec Ltd., Nestlé Research Center, Vers-chez-les-Blanc, 1000 Lausanne
26, Switzerland