RT Journal Article SR Electronic T1 The Sagrada Familia splines JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 1033 OP 1034 DO 10.1136/jech-2015-205672 VO 69 IS 11 A1 Xavier BasagaƱa YR 2015 UL http://jech.bmj.com/content/69/11/1033.abstract AB