1. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia.
2. Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, South Bend, Indiana.
3. Analytical BioGeoChemistry, Helmholtz Zentrum Muenchen, German Research Center for Environmental Health, Neuherberg, Germany.
4. Department of Chemistry, Ball State University, Muncie, Indiana.