[1] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Paediat, Singapore, Singapore
[2] Natl Univ Hlth Syst, Khoo Teck Puat Natl Univ Childrens Med Inst, Dept Paediat, Div Cardiol, Singapore, Singapore
[3] Natl Univ Hlth Syst, Khoo Teck Puat Natl Univ Childrens Med Inst, Dept Paediat, Div Nephrol, Singapore, Singapore
[4] Natl Univ Hlth Syst, Dept Med, Cardiovasc Res Inst, Singapore, Singapore