Supplementary appendix: National, regional, and global sex ratios of infant, child, and under-5 mortality and identification of countries with outlying ratios: a systematic assessment

This appendix formed part of the original submission and has been peer reviewed. The journal post it as supplied by the authors.<br>Supplement to: Alkema L, Chao F, You D, Pedersen J, Sawyer CC. National, regional, and global sex ratios of infant, child, and under-5 mortality and identification of countries with outlying ratios: a systematic assessment. Lancet Glob Health 2014; 2: e521–30.

本附录为原始投稿的组成部分，已通过同行评审（peer review）。期刊将按照作者提交的原文予以刊发。
补篇：Alkema L、Chao F、You D、Pedersen J、Sawyer CC. 《国家、区域及全球层面婴儿、儿童及5岁以下死亡率性别比与异常性别比国家识别：一项系统评估（systematic assessment）》，《柳叶刀-全球健康（Lancet Glob Health）》2014；2：e521–30。