Internationalizing your board
The size of editorial boards varies across journals and between disciplines and there is no perfect number, but what is particularly important is to globalize your editorial board as much as possible to promote the journal across multiple regions, including developing countries.
Springer is part of the initiative Research4Life programs, which seeks to help achieve the UN’s Millennium Development Goals by providing the developing world with access to critical scientific research and reducing the knowledge gap between industrialized countries and developing countries. Springer is one of the founding members of the initiative when the first program HINARI was launched in 2002.