Article History
Received: 1 May 2019
Accepted: 24 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: The protocol of the study (BLH/CMU/CL/25/17 dated 2 February 2017) had been approved by the Beijing Luhe Hospital human ethics committee. An informed consent form had been signed by all participating patients or patient caretakers regarding imaging modalities, clinical examination, invasive intracranial pressure measurement, and anesthesia. The study had adhered to the law of China, the strengthening the reporting of observational studies in epidemiology (STROBE) statement, and Declaration of Helsinki (V2008).
: An informed consent form had been signed by all participating patients or patient caretakers regarding the publication of the study in all formats of publication house including personal data of patients irrespective of time and language.
: The authors declared that they have no competing interest or any the other competing interest regarding results and/or discussion reported in the research.