Erratum to: Qual Life Res DOI 10.1007/s11136-016-1409-0
Unfortunately, given name and family name of “Luis González-de Paz” had been published incorrectly, and it has been corrected in the original publication.
Also Figure 1 had been missed in the original publication of the article, and it has been provided in this erratum (Fig. 1).
Fig. 1.
Expected score
Footnotes
The online version of the original article can be found under doi:10.1007/s11136-016-1409-0.

