Article History
Received: 29 April 2021
Accepted: 14 July 2021
First Online: 22 July 2021
Declarations
:
: No human nor animal subjects were involved in this study and the authors disclose that there are no conflicts of interest.
: Michael Barnes developed and performed the calculations and wrote the manuscript. Daryl John O'Connor and Martin Ebert developed the original idea and provided scientific expertise in the fields of ion beam physics and Medical physics respectively and also revision of the manuscript.
: The authors have no conflicts of interest to declare that are relevant to the content of this article.