Study Protocols Published on Open Science Framework 

Brehaut E, Neupane D, Levis B, Wu Y, Ioannidis JPA, Benedetti A, Thombs BD, and the and the DEPRESsion Screening Data (DEPRESSD) Collaboration. Optimal cutoff selection in depression screening studies using the PHQ-9, EPDS, and HADS. Open Science Framework. September 15, 2020. https://osf.io/fxhyw/

Neupane D, Bhandari PM, Levis B, Shrier I, Ioannidis JPA, Markham S, Thombs BD, Benedetti A, and the DEPRESsion Screening Data (DEPRESSD) Collaboration. Evaluation of direct and indirect methods for comparing the screening accuracy of the PHQ-9 and HADS-D: protocol for an individual participant data meta-analysis. Open Science Framework. June 8, 2020. https://osf.io/75v6u/

Brehaut E, Neupane D, Levis B, Wu Y, Benedetti A, Thombs BD, and the DEPRESsion Screening Data (DEPRESSD) HADS Collaboration. Depression prevalence based on the HADS depression subscale compared to Structured Clinical Interview for DSM classification: individual participant data meta-analysis. Open Science Framework. January 24, 2020. https://osf.io/n5a3e/

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