Aims and Scope

World Journal of Emergency Medicine (ISSN 1920-8642, CN 33-1408/R), a quarterly journal,publishes peer-reviewed original research articles,review articles including systematic review and meta-analysis, editorials, commentaries, etc in different fields of emergency medicine. The content of articles could be varied in medical, surgical,radiological, pathological, biochemical, physiological and pharmaceutical aspects of the subject areas.The journal also deals with basic sciences and experimental work. All submitted papers are reviewed by at least two reviewers expert in the field of the submitted article. For detailed instructions concerning the preparation and submission of manuscripts,please refer to the Instructions for Authors in each issue of the journal or look at the journal's website.

Business Correspondence

All matters relating to orders, subscriptions, back issues, reprints, advertisement booking and general enquiries should be addressed to the editorial off ce.

Mailing address

World Journal of Emergency Medicine

Second Aff liated Hospital of Zhejiang University

88 Jiefang Road, Hangzhou 310009, China

(Tel：+86-571-87783951; Fax：+86-571-87783647)

Electronic address

Website： www.wjem.com.cn

Email： em_nancy@zju.edu.cn

Subscription Rates

Subscription may begin at any time. Remittances made by check, draft or express money order should be made payable to this journal. The prices for 2020 are as follows： institution： US$ 150 (rest of the world); personal： US$ 70. The journal is dispatched to subscribers outside China by surface air-lifted delivery.

Database

World Journal of Emergency Medicine is abstracted and indexed in Science Citation Index Expanded(SCIE), Pubmed, Pubmed Central, Europe PMC,Google Scholar, Gale, ProQuest, Index Copernicus,INIS Collection Search, Zetoc, Chemical Abstracts,VINITI database, EMBASE and EMCare, EBSCO,Ulrich's Peridicals Directory, J-Gate, CrossRef, CNKI(China National Knowledge Infrastructure).

Copyright and Photocopying

? 2020 World Journal Emergency Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China. All rights reserved.No part of this publication may be reproduced, stored,or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without writer permission from the owner of the journal.

Advertising Policy

Advertisements are limited to those promoting products and services relevant to the practice of medicine and surgery and allied fields. All advertisements proposed for insertion are subjected to inspection and approval by the publisher, but acceptance of advertising does not in any manner imply endorsement by the Second Aff liated Hospital of Zhejiang University School of Medicine and World Journal of Emergency Medicine.

Disclaimer

The publisher, the hospital and the editors cannot be held responsible for errors or any consequences arising from the use of information contained in this journal; the views and opinions expressed do not necessarily refect those of the publisher, the hospital or the editors of the journal.

The paper used in this publication meets the requirements of ANSI/NISO Z39.48-1992 (Permanence of Paper).