Funding for this research was provided by:
Einar och Inga Nilssons Stiftelse för Kirurgiforskning och Forskning inom Jordbruket (Unknown)
Skånes universitetssjukhus (Unknown)
Swedish Cancer Society (Unknown)
Gunnar Nilssons Cancerstiftelse () (Unknown)
Henning and Ida Persson Foundation (Unknown)
Malmö University Hospital Cancer Research Fund (Unknown)
Skånes universitetssjukhus () (Unknown)
Text and Data Mining valid from 2019-07-29
Received: 12 February 2019
Accepted: 15 July 2019
First Online: 29 July 2019
Ethics approval and consent to participate
: The MDCS and the present study were approved by the ethics committee in Lund, Sweden, MDCS (LU 51-90) and the present study (Dnr 652/2005 and Dnr 23/2007).Written informed consent was obtained from all study participants on the inclusion of MDCS. Follow-up studies have been advertised in local media, with information about an option to withdraw.
: Not applicable.
: The authors declare that they have no competing interests.