@Manual{metavcovR,
	title = {Variance-Covariance Matrix for Multivariate Meta-Analysis with R Package {metavcov}},
	author = {Min Lu},
	publisher = {manual},
	year = {2021},
	note = {R package version 2.1},
	url = {https://cran.r-project.org/package=metavcov},
        doi ={https://doi.org/10.5281/zenodo.5240826},
	pdf =
	{https://cran.r-project.org/web/packages/metavcov/metavcov.pdf},
}