[1] Sun Yat Sen Univ, Affiliated Hosp 3, Dept Gen Internal Med, Guangzhou, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 3, Dept Pediat, Guangzhou, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Affiliated Hosp 5, Dept Endocrinol, Guangzhou, Guangdong, Peoples R China
[4] Sun Yat Sen Univ, Affiliated Hosp 3, Dept Endocrinol, Guangzhou, Guangdong, Peoples R China