title: Authors' reply to O'Neill and colleagues.
authors.affiliation: Assistance Publique-Hôpitaux de Paris, Hôpital Hôtel-Dieu, Centre d'Epidémiologie Clinique, Université Paris Descartes-Sorbonne Paris Cité, INSERM U1153, Paris, France annabel.maruani@univ-tours.fr.
authors.forename: Annabel
authors.initials: A
authors.lastname: Maruani
authors.affiliation: Assistance Publique-Hôpitaux de Paris, Hôpital Hôtel-Dieu, Centre d'Epidémiologie Clinique, Université Paris Descartes-Sorbonne Paris Cité, INSERM U1153, Paris, France.
authors.forename: Isabelle
authors.initials: I
authors.lastname: Boutron
authors.affiliation: Assistance Publique-Hôpitaux de Paris, Hôpital Hôtel-Dieu, Centre d'Epidémiologie Clinique, Université Paris Descartes-Sorbonne Paris Cité, INSERM U1153, Paris, France.
authors.forename: Gabriel
authors.initials: G
authors.lastname: Baron
authors.affiliation: Assistance Publique-Hôpitaux de Paris, Hôpital Hôtel-Dieu, Centre d'Epidémiologie Clinique, Université Paris Descartes-Sorbonne Paris Cité, INSERM U1153, Paris, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Ravaud
mesh_terms: D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D034742:Electronic Mail; D006801:Humans; D017010:Reminder Systems