Georgios A. Kelesidis, Particle Technology Laboratory, Institute of Process Engineering, Department of Mechanical and Process Engineering, ETH Zurich, Zürich, Switzerland, Florian M. Furrer, Particle Technology Laboratory, Institute of Process Engineering, Department of Mechanical and Process Engineering, ETH Zurich, Zürich, Switzerland, Zurich, Switzerland, Karsten Wegner, ETH Zurich, Zurich, Switzerland and Sotiris E. Pratsinis, Particle Technology Laboratory, Institute of Process Engineering, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland