1. School of Life Sciences and Facility Management Zurich University of Applied Sciences, , CH-8820 Wädenswil, Switzerland
2. Swiss Institute of Bioinformatics , CH-1015 Lausanne, Switzerland
3. Institute of Biology University of Neuchâtel, , CH-2000 Neuchâtel, Switzerland
4. Institute of Pathology University of Bern, , CH-3008 Bern, Switzerland