[1] Chang Gung Childrens Hosp, Dept Pediat, Tao Yuan 333, Taiwan
[2] Chang Gung Univ, Coll Med, Tao Yuan 333, Taiwan
[3] St Pauls Hosp, Tao Yuan, Taiwan
[4] Univ Colombo, Colombo, Sri Lanka
[5] Res Inst Trop Med, Manila, Philippines
[6] Natl Univ Singapore, Singapore Gen Hosp, Singapore 119074, Singapore
[7] Princess Margaret Hosp, Hong Kong, Hong Kong, Peoples R China
[8] Univ Med & Pharm, Ho Chi Minh City, Vietnam
[9] Chulalongkorn Univ, Bangkok, Thailand
[10] Natl Taiwan Univ Hosp, Taipei, Taiwan
[11] Chang Gung Mem Hosp, Kaohsiung, Taiwan
[12] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Seoul, South Korea