KM received research grant from Janssen Pharmaceutical K.K.; received scholarship grants from AbbVie, EA, Mitsubishi Tanabe, Mochida, Nippon Kayaku; received honoraria from AbbVie, EA, Janssen Pharmaceutical K.K., Mitsubishi Tanabe, Mochida, Pfizer, Takeda. TF received honorarium and research grants from Janssen Pharmaceutical K.K. SS received research grant from Sekisui Medical; received honoraria from Tanabe Mitsubishi, Janssen. RO received research grant from Mitsubishi Tanabe; received scholarship grant from Zeria, Mochida, Takeda. AY received research grants from AbbVie, EA, Mitsubishi Tanabe, Mochida. YM, TY, KM received honorarium from Janssen. MM received personal honorarium from Janssen Pharmaceutical K.K. KW received research grants from EA Pharma, EP-CRSU Co., Ltd., Takeda; received scholarship grants from AbbVie, EA, Mitsubishi Tanabe, JIMRO, Nippon Kayaku; received honoraria from AbbVie, EA Pharma, Kissei, Pfizer, Takeda, MTPC, Kyorin, Mochida; endowed chair from AbbVie, EA Pharma, Zeria, Kyorin, MTPC, JIMRO, Otsuka Pharmaceutical Factory, Asahi Kasei Medical Co., Ltd, Mochida. SB received honorarium from Janssen Pharmaceutical K.K. SM received honoraria from Takeda, Mitsubishi Tanabe, Janssen; received research grants from Janssen, Pfizer, Eli Lilly, EA Pharma, Takeda, Astrazeneca. TT received research grant from Mitsubishi Tanabe, AbbVie. TK received honoraria from AbbVie, Takeda, Tanabe Mitsubishi, Pfizer, Janssen; received research grants from Nippon Kayaku, Pfizer, AbbVie, Activaid, Takeda, Alfresa, Ferring, JMDC, Janssen, Gilead Sciences, Bristol-Myers Squibb, Eli Lilly Japan, Mochida; received scholarship grants from Tanabe Mitsubishi, Zeria, Nippon Kayaku; endowed chair from Otsuka Holdings, JIMRO, EA, AbbVie, Zeria, Kyorin, Mochida. NO received commissioned/joint research grants from AbbVie, Daiichi Sankyo, Eli Lilly, EA, University of Miyazaki, Mylan EPD, Nippon Kayaku, Ajinomoto, Okawa foundation for information and telecommunications, Suzuken Memorial Foundation, Japanese society of gastroenterology, Japanese gastroenterological association; received scholarship grants from Bristol-Myers Squibb, AbbVie, Takeda, Eli Lilly, Tanabe Mitsubishi, Nippon Kayaku. MS received honoraria from AbbVie, Janssen, Tanabe Mitsubishi, Mochida, Zeria, Takeda, Kissei, Pfizer; received fees for promotional materials from EA Pharma; received research grants from EP-CRSU; received scholarship donations from EA Pharma, Kissei, Zeria, Mochida, Otsuka, Takeda. TM received honoraria from EA Pharma, Janssen, Takeda, Tanabe Mitsubishi, Sekisui Medical, AbbVie; received scholarship grants from Tanabe Mitsubishi, Nippon Kayaku. HN received honoraria from AbbVie, Tanabe Mitsubishi, Janssen, Takeda, Pfizer, Mylan EPD; received grants for commissioned/joint research from HOYA Pentax Medical, AbbVie, Tanabe Mitsubishi, Mochida, AYUMI Pharmaceutical Corporation; received scholarship grants from AbbVie, Otsuka, EA Pharma, Taiho, Nippon Kayaku, Tanabe Mitsubishi, Takeda. SS received honoraria from Tanabe Mitsubishi, Janssen; received research grant from Sekisui Medical. TH received honoraria from Mitsubishi Tanabe, Pfizer, AbbVie GK, Janssen Pharmaceutical K.K., EA Pharma, Takeda; received research grants from Alfresa and Ajinomoto; received scholarship grants from Mitsubishi Tanabe, AbbVie GK, EA Pharma, Takeda, JIMRO, Mochida, Daiichi Sankyo, Pfizer. YM, SY, AS and TY are employees of Janssen Pharmaceutical K.K. No conflicts of interest declared for RK, HS, NT, Yohei Mikami (YM), Takayuki Yamamoto (TY), TS, AM.