The publisher would like to draw the reader's attention to the following errors.
1. The declaration of competing interest included in the article “Temporal evolution of heme oxygenase-1 expression in reactive astrocytes and microglia in response to traumatic brain injury” (2020, 1: 65–74) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
2. The declaration of competing interest included in the article “Double porous media modeling in computational fluid dynamics for hemodynamics of stent-assisted coiling of intracranial aneurysms: A technical case report” (2020, 1: 85–88) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
3. The declaration of competing interest included in the review article “Anticoagulant-associated intracerebral hemorrhage” (2020, 1: 89–94) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
4. The declaration of competing interest included in the article “Fractalkine/CX3CR1 pathway is neuroprotective in intracerebral hemorrhage through facilitating the expression of TGF-β1” (2020, 1: 146–151) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
5. A declaration of competing interest was not included in the Conference Report “SPARKLE trial kick-off meeting was successfully held” (2020, 1: 196–198). The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
6. An ethics approval statement was not included in the Review article “Clinical treatment progress of small amounts thalamus hemorrhage” (2021, 2: 84–87). The statement should read: The authors declare that this study was approved by the ethical approval committee Review Board of Shandong Provincial Third Hospital of China.
7. An ethics approval statement was not included in the Case Report “SARS-CoV-2 infection with pneumonia and stroke” (2021, 2: 88–90). The statement should read: The authors declare that this study was approved by the ethical approval committee Review Board of Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU).
8. An ethics approval statement was not included in the Case Report “Rare manifestation of Bromadiolone toxicity as intracranial hemorrhage” (2021, 2: 91–94). The statement should read: The authors declare that this study was approved by the ethical approval committee Review Board of Faculty of Medicine, Jordan University of Science & Technology.
9. An informed consent was not included in the Case Report “Huntington’s disease complicated by traumatic subarachnoid bleeding and subdural hematoma” (2021, 2: 131–133). The statement should read: Written informed consent was obtained from patient included in the study.
10. The declaration of competing interest included in the Case Report “SARS-CoV-2 infection with pneumonia and encephalitis” (2021, 2: 134–136) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
11. The informed consent and ethics approval statement included in the Case Report “Intracerebral bleeding after Janus-kinase inhibitor baricitinib for COVID-19” (2021, 2: 151–152) were not in standard format. The informed consent statement should read: Written informed consent was obtained from patient included in the study. The ethics approval statement should read: The authors declare that this study was approved by the ethical approval committee Review Board of Klinik Landstrasse, Messerli Institute.
12. A standard format ethics approval statement was not included in the Case Report “Cerebral venous sinus thrombosis sequel of COVID encephalitis; a rare presentation” (2021, 2: 153–156). The statement should read: The authors declare that this study was approved by the ethical approval committee Review Board of PIMS Hospital.
13. The declaration of competing interest included in the Case Report “Orbital mucormycosis – Post SARS-CoV-2 sequelae” (2021, 2: 157–160) was not in standard format. The statement should read: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.