Allow do define the command `\insertuniversity` by specifying `\university{Name}` e.g. in your document's preamble, overwriting its default value, see below. Through this definition `\insertuniversity` is now a getter command that expands to `Name` that was specified via `\university{Name}`.
# Defaults
```
\university{Hamburg University of Technology (TUHH)}
\closingstatement{Thank You very much}
\street{Am Schwarzenberg-Campus 1}
\city{21073 Hamburg}
\website{www.tuhh.de}
\telephonenumber{+49 40 42878-3330}
\institute{Corresponding Authors Institute}
\email{corresponding.author@tuhh.de}
\author[Corresponding Author]{First Author, Second Author}