- Cardiac Surgery 7
- Thoracic Surgery 7
- Artificial Intelligence 2
- Atmospheric Protection/Air Quality Control/Air Pollution 2
- Biochemistry, general 2
- Biotechnology 2
- Ecotoxicology 2
- Environment, general 2
- Environmental Chemistry 2
- Environmental Health 2
- Microwaves, RF and Optical Engineering 2
- Optics, Lasers, Photonics, Optical Devices 2
- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution 2
- Analytical Chemistry 1
- Biological and Medical Physics, Biophysics 1
- Biomedical Engineering and Bioengineering 1
- Biomedicine, general 1
- Cell Biology 1
- Chemistry/Food Science, general 1
- Computational Biology/Bioinformatics 1