Additional file 1 of GERiatric Screening in the treatment of elderly patients with Ovarian Carcinoma (GERSOC): study protocol for a pragmatic, cluster randomised controlled trial van SoolingenNeeltje SmorenburgCarolina HamakerMarije GroenWim RetèlValesca LokChristianne van de Poll-FranseLonneke TrumJohannes 2020 Additional file 1. Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) checklist. SPIRIT checklist applying to the study protocol article “GERiatric Screening in the treatment of elderly patients with Ovarian Carcinoma (GERSOC): study protocol for a pragmatic, cluster randomised controlled trial”.