@article{0e7fa5624e7845beae5ebc819ba3473b,
title = "Letter to the editor",
author = "Xu Guo and Yujing Gao and Cuizhen Niu and Shumei Zhang",
note = "Funding Information: The research described herewith was supported by National Natural Science Foundation of China [11601227, 11701034].",
year = "2019",
month = apr,
day = "1",
doi = "10.1093/biostatistics/kxy047",
language = "English (US)",
volume = "20",
pages = "358--362",
journal = "Biostatistics",
issn = "1465-4644",
publisher = "Oxford University Press",
number = "2",
}