TKC and AMM had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drafting of the manuscript: TKC. Critical revision of the manuscript for important intellectual content: All authors. GS:SFHS study concept and design: BHS, SP, LJH, DJP, IJD, AMM, DJM, PAT, CH. Yale‐Penn and SAGE study concept, design and analysis : AHS, JG, HRK, LAF. Statistical analysis: TKC. Administrative, technical or material support: CH, AMFP, DJM, AHS and LSH. Acquisition, analysis or interpretation of data: All authors. Study supervision: AMM, IJD, DJP.
