1. Institute for Biocomputation and Physics of Complex Systems (BIFI), University of Zaragoza, Zaragoza, Spain
2. Department of Theoretical Physics, University of Zaragoza, Zaragoza, Spain
3. Sainte-Justine Hospital Research Centre, Montreal, Quebec, Canada
4. Department of Pediatrics, University of Montreal, Montreal, Quebec, Canada
5. Department of Microbiology, Faculty of Medicine, University of Zaragoza, Zaragoza, Spain
6. CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
7. Service of Microbiology, Miguel Servet Hospital, Zaragoza, Aragón, Spain
8. Complex Networks and Systems Lagrange Lab, Institute for Scientific Interchange, Turin, Italy