Title {1}	Effectiveness and cost-effectiveness of a community-based mental health care programme (GBV) for people with severe mental illness in Germany: study protocol for a randomised controlled trial
Trial registration {2a and 2b}.	German Clinical Trial Register DRKS00019086 Item 2b is met
Protocol version {3}	03/04/2020 Version 1.0
Funding {4}	This study is funded by the Innovation Fund of the Federal Joint Committee (G-BA), grant number 01NVF18028 (GBV).
Author details {5a}	Dr Annabel Sandra Mueller-Stierlin,1,2 Friedrich Meixner,1 Anne Kohlmann,1 Mara Schumacher,1 Anke Hänsel,1 Melanie Pouwels,1 Nicole Bias,1 Sabrina Hartl,1 Jessica Reichstein,3 Dr Elke Prestin,3 Nils Greve,3 Prof Dr Thomas Becker,1 Prof Dr Reinhold Kilian1 1 Department of Psychiatry II, Ulm University, Bezirkskrankenhaus Günzburg, Günzburg, Germany 2 Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany 3 Dachverband Gemeindepsychiatrie, Cologne, Germany.
Name and contact information for the trial sponsor {5b}	Nils Greve, Dachverband Gemeindepsychiatrie, Cologne, Germany. Phone: +49 163 2482112, mail: greve@psychiatrie.de
Role of sponsor {5c}	The sponsor initiated the trial and was involved in designing the study. Representatives of the sponsor—NG, EP, and JR—belong to the trial steering committee. The sponsor will not be involved in the collection, management, analysis, or interpretation of the data, or in the decision to submit the report for publication.