Content Provider
Dryad Digital Repository (Duke University)
15
DataCite Metadata Store (German National Library of Science and Technology)
14
Unknown
4
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
2
Norsk Polarinstitutt: Brage NP
1
PubMed Central (PMC)
1
Wiley Online Library
1
Zenodo
1