1. Department of Paediatric Subspecialties, Cardiology Services, KK Women and Children’s Hospital , 100 Bukit Timah Road, Singapore 229899 , Singapore
2. Yong Loo Lin School of Medicine, National University of Singapore , 100 Medical Drive, Singapore 117597 , Singapore
3. Duke-National University of Singapore Medical School , 8 College Rd, Singapore 169857 , Singapore
4. Lee Kong Chian School of Medicine, Nanyang Technological University , 11 Mandalay Road, Singapore 308232 , Singapore
5. Department of Diagnostic and Interventional Imaging, KK Women and Children’s Hospital , Singapore , Singapore
6. Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore