- Artificial Intelligence 3
- Atmospheric Protection/Air Quality Control/Air Pollution 3
- Ecology 3
- Ecotoxicology 3
- Environmental Management 3
- Monitoring/Environmental Analysis 3
- Biomedicine, general 2
- Data Mining and Knowledge Discovery 2
- Immunology 2
- Infectious Diseases 2
- Information Systems Applications (incl. Internet) 2
- Science, Humanities and Social Sciences, multidisciplinary 2
- Science, multidisciplinary 2
- Biogeosciences 1
- Cell Biology 1
- Cell Culture 1
- Cell Cycle Analysis 1
- Cell Physiology 1
- Computer Appl. in Social and Behavioral Sciences 1
- Computer Imaging, Vision, Pattern Recognition and Graphics 1