- Astrophysics and Astroparticles 39
- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 18
- Characterization and Evaluation of Materials 17
- Atmospheric Sciences 16
- Oncology 14
- Nuclear Physics, Heavy Ions, Hadrons 13
- Astronomy, Observations and Techniques 12
- Cancer Research 12
- Gastroenterology 12
- Hepatology 12
- Abdominal Surgery 11
- Colorectal Surgery 11
- Internal Medicine 11
- Surgical Oncology 11
- Biomedicine, general 9
- Hematology 8
- Biochemistry, general 7
- Inorganic Chemistry 7
- Molecular Medicine 7
- Physical Chemistry 7