Update the README file along with the full text of the formal publication.
Source code for GSMR2 software
Citation: Angli Xue, Zhihong Zhu, Huanwei Wang, Longda Jiang, Peter M. Visscher, Jian Zeng, Jian Yang. Unravelling the complex causal effects of substance use behaviours on common diseases. Communications Medicine. 2024. [Full text] (https://www.nature.com/articles/s43856-024-00473-3)