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1 Agència de Qualitat i Avaluació Sanitàries, Departament de Salut, Barcelona, España; CIBER Epidemiologia y Salud Pública. Electronic address: joan.ponsr@gencat.cat.
1 Agència de Qualitat i Avaluació Sanitàries, Departament de Salut, Barcelona, España; CIBER Epidemiologia y Salud Pública. Electronic address: joan.ponsr@gencat.cat.