1. IBMM, Univ. Montpellier,
CNRS, ENSCM, Montpellier, France
2. Department
of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
3. The
Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
4. Department
of Agricultural and Biological Engineering, Mississippi State University, Starkville, Mississippi 39762, United States