1. Department of Environmental Science, Stockholm University, 106 91 Stockholm, Sweden
2. Department of Analytical Environmental Chemistry, Helmholtz Centre for Environmental Research – UFZ, D-04318 Leipzig, Germany
3. AES Armitage Environmental Sciences, Inc., Ottawa, Ontario K1L 8C3, Canada
4. ARC Arnot Research and Consulting Inc., Toronto, Ontario M4M 1W4, Canada
5. Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
6. Wageningen Environmental Research, Team Environmental Risk Assessment, 6700 AA Wageningen, The Netherlands