Disclosure statement
No potential conflict of interest was reported by the author.
Notes
1. In January 2017, Beall’s website ceased to provide the information described in this article. Archived material from the website is available at “https://protect-us.mimecast.com/s/0JzOBbfAmmbmhp?domain=web.archive.org” https://web.archive.org/web/20170112125427/https://scholarlyoa.com/publishers/. Accessed 30 January 2017.