Correction: First Demonstration of Antigen Induced Cytokine Expression by CD4-1⁺ Lymphocytes in a Poikilotherm: Studies in Zebrafish (Danio rerio)

• Sohye Yoon, 
• Suman Mitra, 
• Cathy Wyse, 
• Ayham Alnabulsi, 
• Jun Zou, 
• Eveline M. Weerdenburg, 
• Astrid M. van der Sar, 
• Difei Wang, 
• Christopher J. Secombes, 
• Steve Bird