1. Center for Pharmacognosy and Phytotherapy, The School of Pharmacy (University of London), 29−39 Brunswick Square, London WC1N 1AX, United Kingdom
2. Phytolab GmbH & Company KG, Dutendorfer Strasse 5−7, 91487 Vestenbergsgreuth, Germany
3. Finzelberg GmbH & Company KG, Koblenzer Strasse 48−56, 56626 Andernach, Germany
4. Department of Pharmacology, I. M. Sechenov First Moscow State Medical University, 8 Trubetskaya Str., Moscow 119992, Russia
5. Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia