Minniti, Giuseppe
Niyazi, Maximilian
Alongi, Filippo
Navarria, Piera
Belka, Claus
Article History
Received: 3 December 2020
Accepted: 11 February 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: Not applicable (literature review).
: Not applicable.
: CB received speaker honoraria and research grants from ELEKTA AB (Stockholm, Sweden). The other authors declare that they have no competing interests.