title: Research funding goes to rich clubs.
authors.affiliation: Center for Complex Network Research, Northeastern University, Boston, MA 02115 m.szell@neu.edu.
authors.forename: Michael
authors.identifier: http://orcid.org/0000-0003-3022-2483
authors.initials: M
authors.lastname: Szell
authors.affiliation: Center for Complex Network Research, Northeastern University, Boston, MA 02115.
authors.forename: Roberta
authors.initials: R
authors.lastname: Sinatra