1. a Catalan Institute for Water Research (ICRA-CERCA), Emili Grahit 101, Girona 17003, Catalonia, Spain
2. b University of Girona, Plaça Sant Domènec 3, Girona 17004, Catalonia, Spain
3. c Department of Computer Science, Applied Mathematics, and Statistics, University of Girona, Girona 17003, Catalonia, Spain
4. d Institute of Informatics and Applications, University of Girona, Maria Aurèlia Capmany 61 (Building PIV), Girona 17003, Catalonia, Spain
5. e Polytechnic University of Catalonia – Barcelona Tech., Jordi Girona 31, Barcelona 08034, Catalonia, Spain
6. f Group of Molecular Microbial Ecology, Institute of Aquatic Ecology, University of Girona, Girona 17003, Catalonia, Spain