[1] Mahidol Univ, Siriraj Thalassemia Ctr, Bangkok, Thailand
[2] Mahidol Univ, Dept Microbiol, Bangkok, Thailand
[3] Natl Sci & Technol Dev Agcy, Med Mol Biol Res Unit, Natl Ctr Genet Engn & Biotechnol, Pathum Thani, Thailand
[4] Thammasat Univ, Fac Med, Dept Pediat, Pathum Thani, Thailand
[5] Mahidol Univ, Dept Pathol, Bangkok, Thailand
[6] Natl Sci & Technol Dev Agcy, Natl Ctr Genet Engn & Biotechnol, Pathum Thani, Thailand
[7] Natl Sci & Technol Dev Agcy, Med Mol Biol Res Unit, Pathum Thani, Thailand
[8] Mahidol Univ, Siriraj Hosp, Fac Med, Dept Pediat, Bangkok, Thailand
[9] Mahidol Univ, Siriraj Hosp, Fac Med, Siriraj Thalassemia Ctr, Bangkok, Thailand