^aYong Loo Lin School of Medicine, National University of Singapore

^bGenetics Service, Department of Paediatrics, KK Women’s and Children’s Hospital

^cKinder Clinic

^dWendy Liew Paediatric Clinic and Child Neurology Centre

^eBarrie Tan ENT Head & Neck Surgery

^fSingapore National Eye Centre

^gDr Leo Adult and Paediatric Eye Specialist Pte Ltd, Singapore, Singapore

Received 27 December 2022 Accepted 5 February 2023.

Supplemental Digital Content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website, http://www.clindysmorphol.com.

Correspondence to Saumya Shekhar Jamuar, MBBS, MRCPCH, Department of Paediatrics, KK Women’s and Children’s Hospital, 100, Bukit Timah Road, Singapore 229899, Singapore, Tel: +65 6394112; fax: +65 62917923; e-mail: [email protected]