Maggie Lo-Yee Yau, Eva Lai-Wah Fung, Pak Cheung Ng, Department of Paediatrics, the Chinese University of Hong Kong, Hong Kong, China
Author contributions: Yau MLY retrieved the clinical information and prepared the manuscript; Fung ELW performed the literature search and prepared the manuscript; Ng PC supervised the management of the neonates and revised the final manuscript.
Supported by Joint Chinese University of Hong Kong-New Territories East Cluster Clinical Research Ethics Committee (CREC Ref.), No. 2014.072.
Institutional review board statement: The study was reviewed and approved by the Chinese University of Hong Kong Institutional Review Board.
Informed consent statement: Since this is an observational study, no informed consent was obtained from the participants.
Conflict-of-interest statement: All authors declare no conflict of interests associated with the preparation of the manuscript.
Data sharing statement: No additional data available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Eva Lai-Wah Fung, MB, ChB, Department of Paediatrics, the Chinese University of Hong Kong, Rm 84034, 6/F, LCW Clinical Sciences Bldg., Prince of Wales Hospital, Shatin, Hong Kong, China. firstname.lastname@example.org
Telephone: +852-26322981 Fax: +852-26360020
Received: April 20, 2015
Peer-review started: April 24, 2015
First decision: May 13, 2015
Revised: May 25, 2015
Accepted: June 15, 2015
Article in press: June 16, 2015
Published online: August 8, 2015