Authors: Jeffrey M Perlman; Jonathan Wyllie; John Kattwinkel; Dianne L Atkins; Leon Chameides; Jay P Goldsmith; Ruth Guinsburg; Mary Fran Hazinski; Colin Morley; Sam Richmond; Wendy M Simon; Nalini Singhal; Edgardo Szyld; Masanori Tamura; Sithembiso Velaphi Journal: Pediatrics Date: 2010-10-18 Impact factor: 7.124