Springer Compact is a 100%-discount deal which applies to
Springer Open Choice journals effectively offering free Gold (ie. immediate)
Open Access with a CC-BY licence; the deal applies to both original papers and
review papers.
The corresponding author must be affiliated with Aston
University, and the deal applies to papers at the point of acceptance for
publication.
During the submission process authors should state that you
are affiliated with Aston University; also use your university email address during
the submission process for verification purposes.