Lee, Hopin, Cashin, Aidan G., Lamb, Sarah E., Hopewell, Sally, Vansteelandt, Stijn, VanderWeele, Tyler J., MacKinnon, David P., Mansell, Gemma, Collins, Gary S., Golub, Robert M., McAuley, James H., Localio, A. Russell, van Amelsvoort, Ludo, Guallar, Eliseo, Rijnhart, Judith, Goldsmith, Kimberley, Fairchild, Amanda J., Lewis, Cara C., Kamper, Steven J., Williams, Christopher M., Henschke, Nicholas, . American Medical Association; 2021. A guideline for reporting mediation analyses of randomized trials and observational studies: the AGReMA statement.