title: Nature Index 2015 Collaborations.
authors.forename: Michelle
authors.initials: M
authors.lastname: Grayson
authors.affiliation: custom publishing and Nature Index.
authors.forename: Stephen
authors.initials: S
authors.lastname: Pincock
mesh_terms: D015706:Bibliometrics; D002681:China; D003299:Cooperative Behavior; D062305:Geographic Mapping; D007391:International Cooperation; D010506:Periodicals as Topic / Q000706:statistics & numerical data*; D012106:Research / Q000458:organization & administration* / Q000706:statistics & numerical data*; D000078329:Workforce