1Interpretation of 2015 NASPGHAN/ESPGHAN Clinical Practice Guidelines for the Management of Gastroesophageal Reflux and Gastroesophageal Reflux Disease : Birth to 1 Year of AgeWU Lan, WANG Zhao-xiaGUIDELINES UNDERSTANDING481-4842Interpretation of 2015 Use of Biosimilars in Paediatric Inflammatory Bowel Disease: A Position Statement of the ESPGHAN Paediatric IBD Porto GroupPI Zhuang, WANG Zhao-xiaGUIDELINES UNDERSTANDING485-4893Paying attention to the diagnosis and treatment of Helicobacter pylori infection in childrenGENG Lan-lan, GONG Si-tangEDITORIAL490-4934Objective evaluation and correct understanding of the beneficial effects of Helicobacter pylori infectionCHEN JieEXPERT FORUM494-4965Epidemiology and dynamic change of Helicobacter pylori infection in Chinese childrenDING Zhao-luSYMPOSIUM497-4996Diagnostic methods of Helicobacter pylori infection in children and their clinical applicationLI Zhong-yueSYMPOSIUM500-5047Standardized treatment for Helicobacter pylori infection in childrenHUANG Ying, ZHOU YingSYMPOSIUM505-5098Problems in the treatment of Helicobacter pylori infection in children and the eradication measures for high-resistant Helicobacter pyloriGUO Jing, XU Xi-weiSYMPOSIUM509-5129Research progress of Helicobacter pylori infection in children with extradigestive diseasesYIN Guo-feng, JIANG Mi-zuSYMPOSIUM512-51610Transmission, risk factors and prevention of Helicobacter pylori infection in childhoodWU Bin, HUANG Huan-HuanSYMPOSIUM517-52011Helicobacter pylori infection and gastrointestinal microbiota in childrenSHU Sai-nan, HUANG Zhi-huaSYMPOSIUM521-52312Severe H5N6 avian influenza pneumonia: First child case in ChinaYAO Zhen-ya, LU Xiu-lan, LUO Ru-ping, XIAO Zheng-huiORIGINAL CONTRIBUTION524-52713Hypereosinophilic syndrome in children : A clinical analysis of 13 patientsZHOU Jin, WANG Guo-li, FU Li-bing, JIANG Jin, XU Xi-weiORIGINAL CONTRIBUTION528-53214Effect of ketogenic diet in patients with Dravet syndromeORIGINAL CONTRIBUTION533-536,54115Live capsules/powder combining Bifidobacterium, Lactobacillus and Enterococcus for the treatment of infantile rotavirus enteritis: A meta-analysisLI Hao, YANG Yong-zhi, WU Qing-bin, HUANG Zhi-hua, ZHENG Yue-jie, QIN Huan-longORIGINAL CONTRIBUTION537-54116@@542-54417@@545-54818@@549-55219@@553-55720@@558-560 