1. Department of Analytical Development & Research Section Phytochemical Research WALA Heilmittel GmbH, Dorfstr. 1 DE 73087 Bad Boll/Eckwälden Germany
2. Department of Plant Systems Biology Hohenheim University Garbenstraße 30 DE-70599 Stuttgart Germany
3. Department of Pharmaceutical Technology Tübingen University Auf der Morgenstelle 8 DE-72076 Tübingen Germany