Further studies are still necessary on the relationship between indoor environment and otitis media José Faibes Lubianca Neto

Prevalence and indoor environment risk factors of otitis among preschool children in Urumqi, China Jian Yao, Haonan Shi, Junwen Lu, Xiaolan Wang, Daming Xie, Xiaowei Wang, Guangsheng Wan, Fuye Li, Tingting Wang

Answer to Letter to the Editor “Some flaws that could change the effect sizes and limit the extrapolation of these results” Patricia Piccoli de Mello