From the ∗Radiologische Allianz, Nuklearmedizin Spitalerhof, Hamburg, Germany

†Abteilung für Nuklearmedizin, Privatklinik Villach, Austria

‡ÜBAG für Nuklearmedizin, Gießen, Germany

§RSO-Exzellenznetz e.V., Langgöns, Germany

∥Zentrum für Radiologie und Nuklearmedizin im Kreiskrankenhaus St Elisabeth, Grevenbroich, Germany.

Received for publication March 31, 2022; revision accepted May 19, 2022.

Conflicts of interest and sources of funding: none declared.

Author Contributions: Intellectual contributorship (ideas, writing): W.U.K. and H.E.; practical contributorship, local patient data acquisition: E.K., R.K., L.S.F., W.U.K.; statistics: R.K.; analysis of whole data set: H.E.; critical revision of the manuscript and final approval by all authors.

Correspondence to: Willm Uwe Kampen, MD, PhD, Radiologische Allianz, Nuklearmedizin Spitalerhof Spitalerstrasse 8, D-20095 Hamburg, Germany. E-mail: [email protected].