Correction to: EJNMMI radiopharm. chem. (2021) 6:33 https://doi.org/10.1186/s41181-021-00143-y

Following the publication of the original article (Ajenjo et al. 2021), the authors provided clarifications, additional information, and changes in the text and reference list.

The changes have been highlighted and are shown in Additional file 1.

The original article (Ajenjo et al. 2021) has been corrected.