1. Institute for Crop Science and Resource Conservation (INRES) - Plant Diseases and Plant Protection; University of Bonn; Bonn Germany
2. Bonn-Aachen International Centre for Information Technology; University of Bonn; Bonn Germany
3. Department of Computer Science and Engineering; Washington University in St Louis; St Louis MO USA
4. Central Institute for Decision Support Systems in Crop Protection (ZEPP); Bad Kreuznach Germany
5. Information System for Integrated Plant Production (ISIP); Bad Kreuznach Germany
6. Computer Science Department; Technical University of Dortmund; Dortmund Germany