| 2007–2018 | Risk factors of childhood obesity (2) | Risk factors of overweight, children (3); public health policies and obesity prevention (2) |
| 2008–2013, 2013–2018 | Physical activity, health promotion (6) | Physical activity, built environment and active living (1); public health policies and obesity prevention (2); risk factors of overweight, children (3) |
| 2013–2018 | Economics of food policies (food policy, farm policy, taxation, public economic policy on consumption) (4) | Food environment in school nutrition (4); public health policies and obesity prevention (2); risk factors of overweight, children (3) |
| 2013–2018 | Food marketing and communication policies, consumer behavior (7) | Food environment in school nutrition (4); public health policies and obesity prevention (2) |
| 2013–2018 | School nutritional policies and instruments, competitive and healthy nutrition (8) | Food environment in school nutrition (4); public health policies and obesity prevention (2) |
| 2013–2018 | Food environment (5) | Food environment in school nutrition (4); public health policies and obesity prevention (2); risk factors of overweight, children (3) |
| 2013–2018 | Interventions and particular, community-based programmes (especially for childhood obesity) (2) | Public health policies and obesity prevention (2); childhood obesity prevention, active living and community-based instruments (5) |