Deal with html mistakes in affilnames (&)

[raffaem]

trafficstars

pybliometrics version:

Code to reproduce the bug:

>>> res = ScopusSearch("DOI(10.1038/s41556-022-01034-3)")
>>> len(res.results[0].afid.split(";"))
15
>>> len(res.results[0].affilname.split(";"))
16

Expected behavior: