Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2
University of California: eScholarship
2
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Dryad Digital Repository (Duke University)
1
ETH Zürich Research Collection
1
KNAW: Research Explorer (Royal Netherlands Academy of Arts and Sciences)
1
PubMed Central (PMC)
1
University of Bristol: Bristol Research
1
Unknown
1
Vrije Universiteit Amsterdam (VU): Research Portal
1
Zenodo
1