0028-3746 0028-3746 S0028-37462017000400295 Mexico 00 12 2017 00 12 2017 76 4 295 297 1 2010 35 2 2 234-8 2 European Respiratory Society 07-V II I- 3 1988 17 2 2 397-406 4 2014 189 9 9 1037-43 5 2012 43 2 2 159-65 6 Centers for Disease Control and Prevention (CDC) 2007 56 16 16 389-93 7 2013 188 7 7 813-9 8 2012 185 11 11 1190-6 9 2014 56 ^s10 ^s10 10 S49-54 10 1996 154 1 1 24-9 11 2009 360 11 11 1085-95