doi: 10.1017/S0007114515005048, Published by Cambridge University Press, January 2016.
The description of the study population in the paper by Schröder et al.( 1 ) was incorrect. The correct description is given here.
Material and methods
Data were obtained from the REGICOR (Registre Gironí del Cor) study, a population-based survey conducted in Girona (Spain) in 2000 and 2009.
Additionally, we should have mentioned Dr Jaume Marrugat in our acknowledgments.
We thank Dr. Jaume Marrugat, the principal investigator of the REGICOR study, for the permission to use the data and Elaine Lilly, PhD (Writers First Aid) for the English revision.