1. Institut de Biologia Evolutiva (CSIC-UPF); Passeig Marítim de la Barceloneta 37-49 08003 Barcelona Catalonia Spain
2. Department of Biochemistry, Genetics and Immunology; University of Vigo; Vigo Galicia Spain
3. Department of Marine Biology and Oceanography; Institut de Ciències del Mar (CSIC); Passeig Marítim de la Barceloneta 37-49 08003 Barcelona Catalonia Spain
4. CNRS; Adaptation et Diversité en Milieu Marin; Station Biologique de Roscoff; UMR 7144; Roscoff France
5. Station Biologique de Roscoff; UPMC University Paris 06; Roscoff UMR 7144 France
6. Geoffrey Pope Building, Biosciences; College of Life and Environmental Sciences; University of Exeter; Exeter UK
7. Canadian Institute for Advanced Research; CIFAR Program in Integrated Microbial Biodiversity; Toronto Canada
8. Departament de Genètica; Universitat de Barcelona; Barcelona Catalonia Spain
9. Institució Catalana de Recerca i Estudis Avançats (ICREA); Barcelona Catalonia Spain