Four Catholic University of Croatia researchers rank among the world's top 2% most influential scientists by citation impact

In the ninth edition of the international database of standardised citation indicators, published on October 7, 2026, researchers from the Catholic University of Croatia are once again represented among the world’s most influential scientists by citation impact. A total of four researchers appear on the career-long and single-year rankings for 2025: Livia Puljak, Hrvoje Štefančić, Tomislav Domazet-Lošo, and Dario Sambunjak.

Professor Livia Puljak, PhD, from the Faculty of Health Sciences and the Faculty of Medicine, appears on both lists. Based on indicators excluding self-citations, she ranked 663rd among 360,081 researchers in the subfield of General and Internal Medicine on the single-year list, placing her in the top 0.2%. She also ranks among the top 1% in her subfield on the career-long list. Her publications received 861 citations excluding self-citations in 2025, and 4,873 citations over the career-long period covered by the database.

Professor Hrvoje Štefančić, PhD, from the Faculty of Engineering and the Faculty of Medicine, is included on the career-long list, ranking among the top 2% of researchers in the subfield of Nuclear and Particle Physics based on indicators excluding self-citations. His publications received 1,905 citations excluding self-citations over the career-long period covered by the database.

Professor Tomislav Domazet-Lošo, PhD, from the Faculty of Medicine, is included on the single-year list, ranking among the top 2% of researchers in the subfield of Developmental Biology. His publications received 528 citations excluding self-citations in 2025.

Assistant Professor Dario Sambunjak, PhD, from the University's Faculty of Medicine, appears on both lists. He ranks among the top 2% of researchers in the subfield of General and Internal Medicine in terms of both career-long and single-year citation impact. His publications received 2,889 citations excluding self-citations over the career-long period and 236 citations in 2025.

The database, published by Elsevier and developed by John P. A. Ioannidis of Stanford University, is based on Scopus data. Researchers are ranked according to a composite citation indicator known as the c-score, which combines several measures of scientific impact while accounting for co-authorship and author position in publications. More information is available HERE.