Correction to: Impact of Haemophilus influenzae type b combination vaccination on asthma symptoms and pneumonia in 5-year-old children in rural Bangladesh: a longitudinal study and comparison with a previous cross-sectional study

oleh: Haruko Takeuchi, S. M. Tafsir Hasan, Khalequ Zaman, Sayaka Takanashi, Samar Kumar Hore, Sultana Yeasmin, Shaikh Meshbahuddin Ahmad, Md Jahangir Alam, Masamine Jimba, Tsutomu Iwata, Md Alfazal Khan