Original sentence: There are several large cities and major ports in the Kattegat, including Gothenburg, Aarhus, Aalborg, Halmstad and Frederikshavn, mentioned by descending size
Edited sentence: There are several large cities and major ports in the Kattegat, including Gothenburg, Aarhus, Aalborg, Halmstad and Frederikshavn, mentioned by descending size and importance