Berlin, Germany;
Cottbus, Germany;
Department of General and Visceral Surgery, Pius-Hospital Oldenburg, Oldenburg, Germany;
Department of General, Visceral and Transplant Surgery, University Hospital of the RWTH, Aachen, Germany;
Department of Surgery, University of Pittsburgh Medical Center, McKeesport, USA;
Shouldice Hospital, Thornhill, Ontario, Canada;
Randomized; Controlled; Trial; Hernia; Surgery; Registry; Meta-Analysis; Clinical; Study;