DOI 10.1136/neurintsurg-2020-016059
Contributors LM, HL, and CPS made substantial contributions to the conception and design of the work. Data acquisition was performed by CPS, LM, and HL. HL and LM performed the data analysis. Interpretation of the data was done by JF, PP, AK, MP, GB, HK, LM, CK, SMPP, MW and RC. LM drafted the manuscript and all of the other authors revised it critically for important intellectual content. All authors approved the final version to be published. They agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the manuscript are appropriately investigated and resolved.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests JF: Consultant for Acandis, Boehringer Ingelheim, Codman, Microvention, Sequent, Stryker. Speaker for Bayer Healthcare, Bracco, Covidien/ev3, Penumbra, Philips, Siemens. Grants from Bundesministeriums für Wirtschaft und Energie (BMWi), Bundesministerium für Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), European Union (EU), Covidien, Stryker (THRILL study), Microvention (ERASER study), Philips. PP: Consultant for Penumbra. RC: Consultant and/or proctor for BALT, Stryker, Microvention, Rapid Medical, Siemens Medical Systems. CPS: Consultant and/or proctor for Acandis, Balt, and Rapid Medical.
Patient consent for publication Not required.
Ethics approval Anonymized data were recorded in accordance with ethical review board approval and no informed consent was necessary after review (Ethics Committee of the Chamber of Physicians, Hamburg, Germany)
Provenance and peer review Not commissioned; externally peer reviewed.
Data availabilitystatement Data supporting the findings are available upon reasonable request from any qualified investigator for the purposes of replicating procedures and results, after clearance by the ethics committee.