1. School of Chemistry & CRANN, University of Dublin, Trinity College, Dublin 2, Ireland, http://www.tcd.ie/Chemistry/staff/people/Schmitt/index.html
2. CNRS, CRPP, UPR 8641, 33600 Pessac, France
3. Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France