- Geriatrics/Gerontology 5
- Aging 4
- Rheumatology 4
- Emergency Medicine 3
- Intensive / Critical Care Medicine 3
- Nursing Research 3
- Nutrition 3
- Orthopedics 3
- Proteomics 3
- Public Health 3
- Quality of Life Research 3
- Science, Humanities and Social Sciences, multidisciplinary 3
- Science, multidisciplinary 3
- Bioinformatics 2
- Biological Microscopy 2
- Biological Techniques 2
- Biomedical Engineering/Biotechnology 2
- Health Administration 2
- Health Informatics 2
- Immunology 2