1. ICFO – Institut de Ciències Fotòniques The Barcelona Institute of Science and Technology 08860 Castelldefels Spain
2. Bioengineering Department EPFL – École Polytechnique Fédérale de Lausanne 1015 Lausanne Switzerland
3. Department of Biological Engineering and Koch Institute for Integrative Cancer Research Massachusetts Institute of Technology Cambridge MA 02139 USA
4. ICREA – Institució Catalana de Recerca i Estudis Avançats 08015 Barcelona Spain