[1] Santa Casa Sch Med, Dept Pediat, Div Pediat Infect Dis, Sao Paulo, SP, Brazil
[2] Univ Sao Paulo, Div Pediat Infect Dis, Dept Pediat, Sao Paulo, SP, Brazil
[3] Univ Sao Paulo, Fac Med, Dept Pediat, Sao Paulo, SP, Brazil
[4] Santa Casa Sch Med, Div Microbiol, Dept Pathol, Sao Paulo, SP, Brazil
[5] Santa Casa Sch Med, Infect Prevent & Control Team, Sao Paulo, SP, Brazil