title: The need for registries in the early scientific evaluation of surgical innovations.
authors.affiliation: Department of Surgery and Center of Minimally Invasive Surgery, Vivantes Hospital, Academic Teaching Hospital of Charité Medical School , Berlin , Germany.
authors.forename: Ferdinand
authors.initials: F
authors.lastname: Köckerling
keywords: NOTES registry; prospective research database; randomized controlled trials; registry; surgical innovation