Fam. pract. Fam. pract. Multimorbidity and immigrant status: associations with area of origin and length of residence in host country Gimeno-Feliu L.A. Universidad de Zaragoza Calderon-Larranaga A. Diaz E. Laguna-Berna C. Poblador-Plou B. Coscollar C. Universidad de Zaragoza Prados-Torres A. Universidad de Zaragoza 2017 research-article