Author Contributions: Dr Blanche had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Simon, Warszawski, Kariyawasam, Polak, Blanche.
Acquisition of data: Simon, Warszawski, Kariyawasam, Benhammou, Foissac, Laborde, Tréluyer, Firtion, Layouni, Munzer, Bavoux, Polak, Blanche.
Analysis and interpretation of data: Simon, Warszawski, Kariyawasam, Le Chenadec, Czernichow, Foissac, Laborde, Polak, Blanche.
Drafting of the manuscript: Simon, Warszawski, Kariyawasam, Le Chenadec, Benhammou, Czernichow, Foissac, Tréluyer, Polak, Blanche.
Critical revision of the manuscript for important intellectual content: Warszawski, Le Chenadec, Laborde, Tréluyer, Firtion, Layouni, Munzer, Bavoux, Polak, Blanche.
Statistical analysis: Warszawski, Le Chenadec, Foissac, Tréluyer.
Obtained funding: Warszawski, Blanche.
Administrative, technical, or material support: Simon, Benhammou, Czernichow, Laborde, Blanche.
Study supervision: Polak, Blanche.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Warszawski reported having obtained a research grant from Abbott Laboratories for another study concerning lopinavir-ritonavir in children. Dr Polak reported having received support for educational presentations and grant support from Pfizer, IPSEN, and Sandoz-SAS Laboratories. Dr Blanche reported having received support for travel to meetings from Abbott Laboratories and honoraria for lectures and for development of educational presentations from Astellas, Boehringer Ingelheim, GlaxoSmithKline, and Tibotec Laboratories. No other disclosures were reported.
Funding/Support: This study was supported by the French Agence Nationale de Recherche sur le SIDA (ANRS) and Agence Française de Sécurité Sanitaire et des Produits de Santé (AFSSAPS).
Role of the Sponsor: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank Jean Paul Teglas, MSc, INSERM CESP U1018, for his help with database management and statistical analysis, for which he did not receive compensation. We are indebted to all families who agreed to participate in the French Perinatal Cohort.