Authors
Irati Erreguerena Redondo
Kronikgune Institute For Health Service Research, Barakaldo, Spain
Ana Ortega-Gil
Kronikgune Institute For Health Service Research, Barakaldo, Spain
Dolores Verdoy
Kronikgune Institute For Health Service Research, Barakaldo, Spain
Esteban Manuel Keenoy
Kronikgune Institute For Health Service Research, Barakaldo, Spain
