1. Department of Biosystems Science and Engineering; ETH Zurich; Mattenstrasse 26 CH-4058 Basel Switzerland
2. RIKEN Quantitative Biology Center; 2-2-3 Minatojima-minamimachi Chuo-ku Kobe 650-0047 Japan
3. MaxWell Biosystems AG; Mattenstrasse 26 CH-4058 Basel Switzerland
4. Research Center for Advanced Science and Technology; The University of Tokyo; 4-6-1 Komaba Meguro-ku Tokyo 153-8904 Japan