Ebbesen, Finn
Donneborg, Mette L.
Vandborg, Pernille K.
Vreman, Hendrik J.
Article History
Received: 7 May 2021
Revised: 16 August 2021
Accepted: 27 August 2021
First Online: 17 November 2021
Competing interests
: The authors declare no competing interests.
: Patient consent is not required, as the study does not contain any new data. It is a comparison of data published in our three previous articles. These three have all been approved by the Ethics Committee of North Jutland Region.