0465-546X 0465-546X S0465-546X2017000300206 Spain España 00 09 2017 00 09 2017 63 248 206 207 1 2014 23 37 37 7-8 2 2017 1 1 1 21-34 3 2015 53 3 3 147-8 4 International Comitte of Medical Journal Editors (ICMJE) 2016 5 2017 12 10 10 6 2001 27 6 6 432-9 7 2005 21 2 2 307-9 8 2012 98 2 2 e32-5