[1] Prince Wales Hosp, Dept Paediat, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Fac Med, Dept Paediat, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Hong Kong Hub Paediat Excellence, Hong Kong, Peoples R China
[4] Prince Wales Hosp, Dept Imaging & Intervent Radiol, Hong Kong, Peoples R China
[5] Chinese Univ Hong Kong, Dept Paediat, Hong Kong, Peoples R China