title: Measuring concurrent partnerships:  back on track.
authors.forename: Michel
authors.initials: M
authors.lastname: Caraël
authors.forename: Mirjam
authors.initials: M
authors.lastname: Kretzschmar
mesh_terms: D003625:Data Collection / Q000379:methods*; D006801:Humans; D008297:Male; D015233:Models, Statistical; D011159:Population Surveillance / Q000379:methods*; D017410:Practice Guidelines as Topic; D012725:Sexual Behavior / Q000706:statistics & numerical data*; D012747:Sexual Partners