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.

Finally, the authors would like to express their appreciation to Prof. David Sack and Prof. Kanehisa Morimoto, Dr. Tariq Anwar, Dr. J. Chakraborty, Dr. Mahbubur Rahman, Dr. Yukiko Wagatsuma, for their kind assistance in supporting the creation of the dataset used in this study. The authors also acknowledge the valuable contributions of Dr. Junkichi Takahashi, Dr. Md Yunus, Dr. Hafizur Rahman Chowdhury, Dr. Shams EL Arifeen, Dr. Abdullah Baqui, and Susumu Wakai, who actively participated in creating the dataset referenced in this study (Reference 27), enabling its successful completion. The authors missed to express their thanks to Dr. Takahashi J, Dr. Yunus M, Dr. Chowdhury HR, Dr. Arifeen SE, Dr. Baqui A, Dr. Wakai S, Dr. Tariq Anwar, Dr. J. Chakraborty, Dr. Mahbubur Rahman, Professor David Sack, Dr. Yukiko Wagatsuma, and Professor Kanehisa Morimoto, for the active involvement in the creation of the dataset of the article with which this study was accomplished. [Extracted from the article]