1. Department of Civil and Environmental Engineering; Northwestern University; Evanston Illinois USA
2. Integrative Freshwater Ecology Group, Centre for Advanced Studies of Blanes (CEAB-CSIC); Blanes Girona Spain
3. Department of Environment; Land and Infrastructure Engineering; Politecnico di Torino Italy
4. Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne; Lausanne Switzerland
5. Queen's University Marine Laboratory, School of Biological Sciences; The Queen's University of Belfast; Northern Ireland