Relative effectiveness of additive pain interventions during vaccination in infants

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.

Leslie Dan Faculty of Pharmacy (Taddio, Fletcher, Wong, McNair, Mithal), University of Toronto; Child Health Evaluative Sciences (Taddio), The Hospital for Sick Children, Toronto, Ont.; Department of Psychology (Pillai Riddell), York University, North York, Ont.; Department of Psychiatry (Pillai Riddell) and Paediatrics (Ipp), University of Toronto, Toronto, Ont.; Pediatricians (Moss, Baker, Tolkin, Malini, Feerasta, Govan), North York, Ont.; Biostatistics and Data Analysis Unit (Stephens), The Hospital for Sick Children, Toronto, Ont.