About the Authors

Andrew C. Singer

acsi@ceh.ac.uk

Affiliation Natural Environment Research Council, Centre for Ecology and Hydrology, Wallingford, United Kingdom

Josef D. Järhult

Affiliation Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden

Roman Grabic

Affiliations Department of Chemistry, Umeå University, Umeå, Sweden, University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic

Ghazanfar A. Khan

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Richard H. Lindberg

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Ganna Fedorova

Affiliations Department of Chemistry, Umeå University, Umeå, Sweden, University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic

Jerker Fick

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Michael J. Bowes

Affiliation Natural Environment Research Council, Centre for Ecology and Hydrology, Wallingford, United Kingdom

Björn Olsen

Affiliations Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden, Section for Zoonotic Ecology and Epidemiology, School of Natural Sciences, Linnaeus University, Kalmar, Sweden

Hanna Söderström

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Competing Interests

The authors received in-kind support from G.F.F. Hoffman - La Roche Ltd. through donated deuterated OC. Andrew Singer is on the PLOS ONE Editorial Board. This does not alter the authors’ adherence to PLOS ONE Editorial policies and criteria. The authors have no other competing interests.

Author Contributions

Conceived and designed the experiments: ACS JDJ JF HS. Performed the experiments: ACS JDJ RG GAK GF JF RHL MJB BO HS. Analyzed the data: ACS HS. Contributed reagents/materials/analysis tools: ACS JF MJB HS. Contributed to the writing of the manuscript: ACS HS.