Text and Data Mining valid from 2018-07-28
Received: 6 March 2018
Accepted: 26 July 2018
First Online: 28 July 2018
Compliance with ethical standards
: The Diabetes Center of the Tokyo Women’s Medical University is supported through unrestricted research funding from Alcon, Astellas, AstraZeneca, Boehringer Ingelheim, Chugai, Daiichi Sankyo, Eizai, Eli Lilly, Kowa, Kyowa Hakko Kirin, Mitsubishi Tanabe, MSD, Nipro, Novartis, Novo Nordisk, Ono, Otsuka, Pfizer, Sanofi, Sumitomo Dainippon, Takeda, and Terumo.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: Informed consent or substitute for it was obtained from all patients for being included in the study.