Chan, Wai Sing
Chan, Tsun Leung
Au, Chun Hang
Leung, Chin Pang
To, Man Yan
Ng, Man Kin
Leung, Sau Man
Chan, May Kwok Mei
Ma, Edmond Shiu Kwan
Tang, Bone Siu Fai
Article History
Received: 20 January 2020
Accepted: 28 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study was approved by Research Ethics Committee (REC) of Hong Kong Sanatorium & Hospital under the reference number RC-2019-18. No patient-identifying data was collected throughout the whole study.
: Not applicable.
: The authors declare that they have no competing interests.