title: Re: "Differences in Risk Factors for Recurrent Versus Incident Preterm Delivery".
authors.affiliation: Department of Epidemiology, Maastricht University Medical Center, Maastricht, The Netherlands.
authors.forename: Luc
authors.initials: L
authors.lastname: Smits
authors.affiliation: Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Center, Maastricht, The Netherlands.
authors.forename: Simone
authors.initials: S
authors.lastname: Sep
authors.affiliation: Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands.
authors.forename: Sander
authors.initials: S
authors.lastname: van Kuijk
mesh_terms: D000026:Abortion, Habitual / Q000453:epidemiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D047928:Premature Birth / Q000453:epidemiology*