Affiliation: | Ratchaburi Hospital, Ratchaburi, Thailand (W. Dulyachai, M. Changpinyo);Chulalongkorn University, Bangkok, Thailand (J. Makkoch, P. Rianthavorn, S. Prayangprecha, S. Payungporn, R. Tantilertcharoen, P. Kitikoon, Y. Poovorawan);King Chulalongkorn Memorial Hospital, Bangkok (P. Rianthavorn) |