Funding for this research was provided by:
Paegasus Neurosurgery Fund (PNF201502)
Received: 14 April 2019
Accepted: 30 August 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the St Vincent’s Hospital Melbourne Human Research Ethics Committee (Reference: LRR 098/15). Written, informed consent was obtained from all individual participants included in the study.This study was retrospectively registered with the Australian New Zealand Clinical Trials Registry (ANZCTR) on the 7th June 2016, registration number 12616000747426.
: Not applicable.
: The Authors have no conflicts of interest to declare.