About the Authors

Wannee Limpitikul

Affiliation Department of Pediatrics, Songkhla Hospital, Songkhla, Thailand

Narong Henpraserttae

Affiliation Bureau of Epidemiology, Department of Disease Control, Ministry of Public Health in Songkhla, Songkhla, Thailand

Rachanee Saksawad

Affiliation Department of Pediatrics, Hat Yai Education Center, Hat Yai Hospital, Hat Yai, Songkhla, Thailand

Kamolwish Laoprasopwattana

kamolwish@gmail.com

Affiliation Department of Pediatrics, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WL NH KL. Performed the experiments: WL NH RS. Analyzed the data: KL. Contributed reagents/materials/analysis tools: WL. Wrote the paper: KL.