1 Health Services Research Group, Hospital del Mar Medical Research Institute, Barcelona 08003, Spain; Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain; Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain. Electronic address: mferrer@imim.es.
2 Health Services Research Group, Hospital del Mar Medical Research Institute, Barcelona 08003, Spain; Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain; Department of Pharmaceutical Care and Clinical Pharmacy, Faculty of Pharmacy, Universidad de Costa Rica, San Jose, Costa Rica.