1. Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Dr. Aiguader 88, Barcelona 08003, Spain
2. Life Sciences Department. Barcelona Supercomputing Center (BSC). Jordi Girona, 29. 08034 Barcelona, Spain
3. Mechanisms of Disease Department. Institute for Research in Biomedicine (IRB). Barcelona, Spain
4. Division of Hygiene and Medical Microbiology, Innsbruck Medical University, Austria
5. Universitat Pompeu Fabra (UPF), Barcelona, Spain, and
6. ICREA, Pg. Lluis Companys 23, Barcelona 08010, Spain