1. Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, United Kingdom
2. School of Clinical Medicine, University of Cambridge, Cambridge CB2 0SP, United Kingdom
3. Laboratory of Growth Regulators, Institute of Experimental Botany ASCR & Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic
4. Department of Chemistry, The University of Reading, Whiteknights, Reading RG6 6AD, United Kingdom