W. H. Ng - Chinese University of Hong Kong
W. C. W. Chu - Chinese University of Hong Kong
M. K. Shing - Chinese University of Hong Kong
W. W. M. Lam - Chinese University of Hong Kong
K. W. Chik - Chinese University of Hong Kong
C. K. Li - Prince of Wales Hospital
C. K. Li - Prince of Wales Hospital
S. C. Ling - Department of Paediatrics, Princess Margaret Hospital, N. T., Hong Kong