Jan Due, retired specialist in general surgery and urology. He was previously a senior consultant at the University Hospital of North Norway and associate professor at University of Tromsø – The Arctic University of Norway.
The author has completed the ICMJE form and reports no conflicts of interest.
Published: 28 January 2019
Tidsskr Nor Legeforen 28 January 2019
Received 13.4.2018, first revision submitted 23.10.2018, accepted 5.11.2018.