The Commission gratefully acknowledges the contribution of data on psychotherapies from Pim Cuijpers, the Global Burden of Disease from Harvey Whiteford, and inputs received from William Eaton on some of the content. We also acknowledge the role of the Lancet editors (Niall Boyce and Helen Frankish) who provided important feedback through the process of developing the Commission. Research administration of the Commission was coordinated by Deepti Beri (Public Health Foundation of India and Sangath).We acknowledge the role of research team members of the working groups who provided assistance with literature searches, drafting and data extraction and helping prepare figures, namely

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Grand Challenges Canada.

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Crick Lund and colleagues describe their plans for the PRogramme for Improving Mental health carE (PRIME), which aims to generate evidence on implementing and scaling up integrated packages of care for priority mental disorders in primary and maternal health care contexts in Ethiopia, India, Nepal, South Africa, and Uganda.