OPTIMISE: a pragmatic stepped wedge cluster randomised trial of an intervention to improve primary care for refugees in Australia.

"Competing interests Sue Casey was formerly general manager, Sector Development and Partnerships, Victorian Foundation for Survivors of Torture; Mitchell Smith is director of the New South Wales Refugee Health Service; Grant Russell and Jenny Advocat have worked on behalf of Monash University with the North Western Melbourne Primary Health Network; Virginia Lewis has worked on several contracts on behalf of La Trobe for North Western Melbourne Primary Health Network and cohealth in the past three years. Grant Russell is a board member of enliven; Virginia Lewis has a research chair at La Trobe University co‐funded by cohealth; I‐Hao Cheng was formerly a program manager for enliven and a policy advisor for the Victorian Department of Health and Human Services."

"The OPTIMISE project was co‐funded by the National Health and Medical Research Council (NHMRC) Partnerships for Better Health Scheme (APP1106372) and the following partner organisations: Monash Health, cohealth, enliven, the Victorian Department of Health and Human Services, the Victorian Refugee Health Network, the NSW Refugee Health Service, the South Eastern Health Providers Association, North Western Melbourne Primary Health Network, South Western Sydney Primary Health Network, AMES Australia, Settlement Services International, and the Royal Australian College of General Practitioners. Partner organisations contributed to the study design and dissemination through involvement in a National Project Advisory Group."

"Trial registration Australian New Zealand Clinical Trials Registry, ACTRN12618001970235 (retrospective)."