- school of health and welfare, jonkoping university, sweden5
- school of health and welfare, jonkoping university, sweden ; department of medical epidemiology and biostatistics, karolinska institutet, stockholm, sweden5
- university of skovde, sweden5
- university of skovde, sweden; jonkoping university, sweden5
- bmc2
- sage publications inc.2
- department of health sciences, karlstad university, karlstad, sweden1
- jonkoping university, hhj, avdelningen for omvardnad1
- jonkoping university, hhj, institutet for gerontologi1