Funding for this research was provided by:
Received: 10 November 2020
Accepted: 28 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: The retrospective analysis of available patient data was performed in accordance with the Declaration of Helsinki and approved by the local ethics committee (Ethics committee, University Duisburg-Essen, Faculty of Medicine, Ethics protocol number 20-9203-BO).
: Not applicable.
: Walter Jentzen received research funding from Siemens Healthineers. Maurizio Conti is a full-time employee of Siemens Medical Solutions USA, Inc. Lale Umutlu is a Speaker/Advisory Board Member for Bayer Healthcare and Siemens Healthcare and received research grants from Siemens Healthcare, outside of the submitted work. Ken Herrmann reports personal fees from Bayer, personal fees and other from Sofie Biosciences, personal fees from SIRTEX, non-financial support from ABX, personal fees from Adacap, personal fees from Curium, personal fees from Endocyte, grants and personal fees from BTG, personal fees from IPSEN, personal fees from Siemens Healthineers, personal fees from GE Healthcare, personal fees from Amgen, personal fees from Novartis, and personal fees from ymabs, outside of the submitted work. Wolfgang P. Fendler is a consultant for Endocyte and BTG, and he received fees from RadioMedix, Bayer, and Parexel, outside of the submitted work. No other potential conflict of interest was reported.