1. NMR Facility CiC bioGUNE Parque Tecnológico de Bizkaia, Ed. 800 48160 Derio Spain
2. Structural and Chemical Biology Centro de Investigaciones, Biológicas Margarita Salas CSIC Ramiro de Maeztu 9 28040 Madrid Spain
3. Department of Chemistry and Biochemistry Florida Atlantic University Boca Raton FL 33431 USA
4. Center for Synthesis and Chemical Biology University College Dublin Belfield Dublin 4 Ireland
5. Tierärztliche Fakultät Institut für Physiologische Chemie Ludwig-Maximilians-Universität München Veterinärstr. 13 80539 München Germany