Correction
Following publication of the original article [1], the authors reported a correction in affiliation of Maria Luisa Vázquez, who is affiliated with Health Policy and Health Services Research Group, which is number 1 instead of being affiliated with Grup de Recerca en Serveis Sanitaris i Resultats en Salut, Serveis de Salut Integrats Baix Empordà, Carrer Hospital 17–19 Edifici Fleming, 17,230 Palamós, Spain.
The affiliation in the original article is:
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Sina Waibel 1,2*, Ingrid Vargas1, Jordi Coderch3 and María-Luisa Vázquez3.
The correct affiliation is:
Sina Waibel1,2*, Ingrid Vargas1, Jordi Coderch3 and María-Luisa Vázquez1.
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