The Hong Kong Journal of Emergency Medicine (HKJ) is a peer-reviewed open access journal which focuses on all aspects of clinical practice and emergency research in the hospital and pre-hospital setting. Please see the Aims and Scope tab for further information. This journal is published on behalf of the Hong Kong College of Emergency Medicine and The Hong Kong Society for Emergency Medicine and Surgery . This journal is a member of the Committee on Publication Ethics (COPE) . This journal flipped to open access on August 31, 2017. Why publish with HKJ? Indexed in the Science Citation Index Expanded (Impact Factor 0.170) Open access format, driving high visibility for maximum global exposure Eminent Editorial Board provides expert peer review Open access Article Processing Charge (APC) information This journal is financially supported by the Hong Kong College of Emergency Medicine and the Hong Kong Society for Emergency Medicine and Surgery and therefore does not charge an article processing charge for open access publication. Submission information Submit your manuscript today at: http://mc.manuscriptcentral.com/hkjem Please see the Submission Guidelines tab for more information on how to submit your article to the journal. Contact Please direct any queries to leunglp@hku.hk