1. Swiss Institute for Experimental Cancer Research (ISREC), CH-1066 Epalinges, Switzerland.
2. School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
3. “Frontiers in Genetics” National Centre for Competence in Research (NCCR), CH-1211 Geneva, Switzerland.
4. University of Pavia, Department of Genetics and Microbiology, 27100 Pavia, Italy.