Subfield
- Public Health, Environmental and Occupational Health6
- Applied Mathematics5
- General Health Professions5
- Linguistics and Language5
- Social Psychology5
- Sociology and Political Science5
- Waste Management and Disposal5
- General Social Sciences4
- Health4
- Pollution4
- Urban Studies4
- Animal Science and Zoology3
- Human Factors and Ergonomics3
- Insect Science3
- Parasitology3
- Religious studies3
- Water Science and Technology3
- Business and International Management2
- Clinical Psychology2
- Computational Mechanics2