@article{Herbst2017, author = "Tim Herbst and Martin Emmert", title = "{Additional file 1: of Characterization and effectiveness of pay-for-performance in ophthalmology: a systematic review}", year = "2017", month = "6", url = "https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Characterization_and_effectiveness_of_pay-for-performance_in_ophthalmology_a_systematic_review/5081629", doi = "10.6084/m9.figshare.c.3795916_D1.v1" }