Text and Data Mining valid from 2020-01-10
Received: 6 October 2019
Accepted: 30 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The institutional review board approved this retrospective study, and the requirement to obtain informed consent was waived (M17307).
: A poster on this study was presented at the annual congress of the European Association of Nuclear Medicine, October 12–16, 2019 in Barcelona, Spain. The abstract was published in the <i>European Journal of Nuclear Medicine and Molecular Imaging</i> (2019) 46 (Suppl 1): S1–S952.
: Takanori Ikeda has received grant support through his institution from Daiichi Sankyo, Bristol-Myers Squibb, and Boehringer Ingelheim, as well as honoraria for lectures from Bayer Healthcare, Daiichi Sankyo, Bristol-Myers Squibb, Pfizer, Tanabe-Mitsubishi, and Ono Pharmaceutical. Regarding this study, all authors declare that there is no potential conflict of interest.