title: Author's reply: To PMID 21837623.
authors: Frank
authors: F
authors: Bretz
authors: Martin
authors: M
authors: Posch
authors: Ekkehard
authors: E
authors: Glimm
authors: Florian
authors: F
authors: Klinglmueller
authors: Willi
authors: W
authors: Maurer
authors: Kornelius
authors: K
authors: Rohmeyer
mesh_terms: D001699:Biometry / Q000379:methods*; D002986:Clinical Trials as Topic / Q000379:methods*; D003196:Computer Graphics; D006801:Humans