[1] Katholieke Univ Leuven, Ctr R&D Monitoring ECOOM, Louvain, Belgium
[2] Katholieke Univ Leuven, Dept MSI, Louvain, Belgium
[3] Univ Fed Rio de Janeiro, Sci Educ Program, Inst Med Biochem, Rio De Janeiro, Brazil
[4] Royal Sch Lib & Informat Sci, Copenhagen, Denmark
[5] KHBO Assoc KU Leuven, Oostende, Belgium
[6] Katholieke Univ Leuven, Dept Math, Louvain, Belgium
[7] Hungarian Acad Sci, Inst Sci Policy Res, Budapest, Hungary