title: [The Coordinating Centers for Clinical Trials (KKS) and the KKS Network: competence for clinical research].
authors.affiliation: KKS-Netzwerk, KKS Düsseldorf, Germany. stephanie.wolff@kks-netzwerk.de
authors.forename: Christian
authors.initials: C
authors.lastname: Ohmann
authors.forename: Insa
authors.initials: I
authors.lastname: Bruns
authors.forename: Stephanie
authors.initials: S
authors.lastname: Wolff