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

. 2023 Mar 24;102(12):e33347. doi: 10.1097/MD.0000000000033347

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

Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial License 4.0 (CCBY-NC), where it is permissible to download, share, remix, transform, and buildup the work provided it is properly cited. The work cannot be used commercially without permission from the journal.

PMC Copyright notice

Figure 2. — (A) World Collaborative Relationships Map. Each node in the figure represents 1 country, and the node size positively relates to the number of publications, and the line between nodes represents the cooperative relationship. The thicker the line, the closer the relationship. (B) Comparison of single-country publications and multiple country publications from different countries. (C) Top 14 most productive institutions between 1956 and 2022. (D) The co-authorship network visualization map of institutions for MPS research. Each node in the figure represents 1 institution, and the larger the circle represents, the higher the “Degree” of the institution. The lines between the circles represent the cooperative relationship between the institutions, and the thicker the lines, the closer the cooperative relationship. MCP = multiple country publications, SCP = single-country publications.