1. Laboratory of Ecohydrology; ECHO, ISTE, ENAC, École Polytechnique Fédérale de Lausanne; Lausanne; Switzerland
2. Dipartimento di Elettronica e Informazione; Politecnico di Milano; Milan; Italy
3. Laboratory of Molecular Microbiology; UPBLO, GHI, SV, École Polytechnique Fédérale de Lausanne; Lausanne; Switzerland
4. Department of Civil and Environmental Engineering; Princeton University; Princeton; New Jersey; USA