In the following article,1 there were two references that were missed out and should have been cited in the text and added to the references.

1. Botting, RA, Haniffa M. The developing immune network in human prenatal skin. Immunology 2020; 160: 149–56.

This should have been cited in the following text on page 104, first column, line 6 and added to references.

“With this in mind, Bottling and Haniffa reveal how the most overt physical barrier, the skin, begins to develop in utero .”

2. Stamataki Z, Swadling L. The liver as an immunological barrier redefined by single‐cell analysis. Immunology 2020; 160:157–70.

This should have been cited in the following text on page 104, second column, 3rd paragraph and added to the references.

“The authors discuss how emerging evidence from state‐of‐the‐art single‐cell technologies contributes to our understanding of this barrier.”

在下面的文章中，1有两个参考文献被遗漏了，应该在文本中引用并添加到参考文献中。

1. Botting，RA，Haniffa M.人类产前皮肤中不断发展的免疫网络。免疫学2020; 160： 149–56。

这应该在第104页第一栏第6行的以下文本中引用，并添加到参考文献中。

“考虑到这一点，Bottling和Haniffa揭示了子宫中最明显的物理屏障是如何开始形成 的。”

2. Stamataki Z，SwadlingL。肝脏是通过单细胞分析重新定义的免疫屏障。免疫学2020; 160：157–70。

在下面的第104页第二栏中第三段的文本中应该引用此内容，并将其添加到参考文献中。

“作者讨论了来自最新的单细胞技术的新证据如何有助于我们对这一障碍的理解。”