1. Computational Science, University of Amsterdam, Science Park 904, Amsterdam, 1098 XH, The Netherlands
2. CWI – The Center for Mathematics and Computer Science, Science Park 123, Amsterdam, 1098 XG, The Netherlands
3. Quantitative Analytics, ING Bank, Bijlmerdreef 98, Amsterdam, 1102 CT, The Netherlands
4. Delft University of Technology, DIAM – Delft Institute of Applied Mathematics, Mekelweg 4, Delft, 2628 CD, The Netherlands