Lie, Rolv T.
Magnus, Maria C.
Gjessing, Håkon K.
Wilcox, Allen J.
Håberg, Siri E.
Funding for this research was provided by:
University of Bergen
Article History
Received: 8 February 2024
Accepted: 25 September 2024
First Online: 4 October 2024
Declarations
:
: The study was approved by the Regional Committee on Medical and Health Related Research Ethics (REK), South-East region, project 2014/404. Collection of data on snuff use and smoking was based on informed consent.
: Not applicable.
: The authors declare no competing interests.