1. Departament de Química Inorgànica (Seeió de Química Orgànica) & Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Martíi Franquès 1, 08028 Barcelona, Spain
2. Department of Chemistry − BMC, Uppsala University, BMC Box 576, S-751 23 Uppsala, Sweden
3. BioTechnology Institute, University of Minnesota, Saint Paul, Minnesota 55108, United States
4. LAQV, REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
5. Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Saint Paul, Minnesota 55108, United States
6. School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive NW, Atlanta, Georgia 30332, United States