Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Dec 15;13:1018594. doi: 10.3389/fmicb.2022.1018594

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2022 Huang, Liu, Ma, Li, Mo and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

The cooperation network in different levels from 2017 to 2021. (A) The cooperation network of the top 15 most productive countries. The colored rings in the node represent publications amount in different years. The lines’ thickness and color indicate the strength of cooperation relationships and the year of first cooperation, respectively. (B) The largest component of cooperation network of institutions. The top 10 institutions in the number of publications are colored. (C) The largest component of author cooperation network. The top 10 authors in the number of publications are colored. The nodes’ size and the thickness of the lines positively correlated to the production of papers and the strength of cooperation relationships, respectively.