Affiliation
- Harvard University2
- Hong Kong Baptist University2
- Idaho State University2
- InTechOpen2
- Johns Hopkins University2
- OAPEN (Open Access Publishing in European Networks) Foundation2
- Open Textbook Library2
- Rice University2
- Stanford University2
- U.S. National Library of Medicine2
- University of Arkansas2
- University of Guelph2
- University of Minnesota2
- University of Missouri–St. Louis2
- University of Oklahoma2
- University of Victoria2
- Washington State University2
- Ivy Tech State College1
- Aims Community College1
- Arapahoe Community College1