Cheung, Yiu-fai
Li, Vivian Wing-yi
Lai, Clare Tik-man
Shin, Vivian Yvonne
Keung, Wendy
Cheuk, Daniel Ka-leung
Kwong, Ava
Li, Ronald Adolphus
Chan, Godfrey Chi-fung
Article History
Received: 6 February 2020
Revised: 23 May 2020
Accepted: 23 June 2020
First Online: 7 July 2020
Competing interests
: The authors declare no competing interests.
: Informed written consent was obtained from parents of all patients for this clinical study, which was approved by the Institutional Review Board and performed in accordance with the relevant guidelines and regulations.