[1] Changhua Christian Childrens Hosp, Dept Pediat, Changhua, Taiwan
[2] Kaohsiung Med Univ, Sch Med, Kaohsiung 807, Kaohsiung, Taiwan
[3] Chung Shan Med Univ, Sch Med, Taichung, Taiwan
[4] Natl Chung Hsing Univ, Coll Med, Dept Postbaccalaureate Med, Taichung, Taiwan
[5] Chung Shan Med Univ Hosp, Dept Pediat, Div Allergy Asthma & Rheumatol, Taichung, Taiwan
[6] Changhua Christian Hosp, Dept Allergy Immunol & Rheumatol, Changhua, Taiwan
[7] Changhua Christian Hosp, Dept Neurol, Changhua, Taiwan
[8] China Med Univ Hosp, Childrens Hosp, Div Pediat Nephrol, Taichung, Taiwan
[9] MacKay Mem Hosp, Dept Pathol, New Taipei City, Taiwan
[10] Natl Yang Ming Chiao Tung Univ, Inst Clin Med, Taipei, Taiwan