Li, X., Zhou, Y., Yuan, S., Zhou, X., Wang, L., Sun, J., Yu, L., Zhu, J., Zhang, H., Yang, N., Dai, S., Song, P., Larsson, S., Theodoratou, E., Zhu, Y. & Li, X. 2022, 'Genetically predicted high IGF-1 levels showed protective effects on COVID-19 susceptibility and hospitalization: a Mendelian randomisation study with data from 60 studies across 25 countries', eLife, 11, article no: e79720. https://doi.org/10.7554/eLife.79720