Subfield
- Small Animals11
- Demography10
- Safety Research10
- Clinical Psychology9
- Global and Planetary Change9
- Social Psychology9
- Accounting8
- Aquatic Science8
- Strategy and Management8
- Virology8
- Water Science and Technology8
- General Health Professions7
- Cardiology and Cardiovascular Medicine6
- Education6
- Endocrinology6
- Gender Studies6
- Insect Science6
- Renewable Energy, Sustainability and the Environment6
- Emergency Medicine5
- Energy Engineering and Power Technology5