1139-7632 1139-7632 S1139-76322016000200012 España España España España España 00 06 2016 00 06 2016 18 70 165 170

1 2007 67 578-81 2 2006 134 31-8 3 2009 2 8588 4 2006 22 250-3 5 2007 16 153-9 6 2011 34 e832-40 7 2010 34 109-13 8 03/0 5/ 20 9 2013 14 94-8 10 American Academy of Pediatrics. Committee on Infectious Diseases 1998 101 136-40