- Optics, Lasers, Photonics, Optical Devices 15
- Oncology 12
- Hematology 11
- Cancer Research 10
- Medicine/Public Health, general 9
- Characterization and Evaluation of Materials 8
- Internal Medicine 8
- Inorganic Chemistry 7
- Intensive / Critical Care Medicine 7
- Plant Physiology 7
- Agriculture 6
- Materials Science, general 6
- Nanotechnology 6
- Physical Chemistry 6
- Applied and Technical Physics 5
- Biomedicine, general 5
- Materials Engineering 5
- Plant Genetics and Genomics 5
- Plant Sciences 5
- Plant Breeding/Biotechnology 4