Publisher
- akademiai kiado2
- bmj publishing group2
- european society of cardiology2
- novartis pharma ag, basel, switzerland.2
- qirt council2
- quintilesims, solna, sweden.2
- umea univ, ctr heart, dept publ hlth & clin med, umea, sweden.2
- umea univ, res unit, med, dept publ hlth & clin med, umea, sweden.2
- umea universitet, kardiologi2