Erratum to: Int J Public Health DOI 10.1007/s00038-010-0162-3

Unfortunately, first names and surnames of the authors were interchanged. Instead of ‘Norredam Marie, Garcia-Lopez Ana, Keiding Niels, Krasnik Allan’, they should read: ‘Marie Norredam, Ana Garcia-Lopez, Niels Keiding, Allan Krasnik’.