Conflict of interest
Dr Masaya Ito received royalties from Shindan to Chiryo Sha for treatment manuals and related books for the UP, from Sogen sha, and from several publishing companies in Japan. He also received honorariums for workshops and supervisions regarding the UP and for workshops regarding CBT. He received consultant fees from TIS Inc. Dr Masaru Horikoshi received consultant fees from Mitsubishi Tanabe Pharma and TIS Inc. and a research grant from Mitsubishi Tanabe Pharma and Jolly Good Inc. Yasuyuki Okumura received personal fees from MSD K.K., Otsuka Pharmaceutical, Cando, Japan Medical Data Center, and Japan Medical Research Institute. Yasuyuki Okumura is an employee of the Real World Data, Co., Ltd. and the president of the Initiative for Clinical Epidemiological Research. The other authors declare no conflict of interest.