Johannessen, Håkon A. PhD; Tynes, Tore MD, PhD; Sterud, Tom PhD
From the National Institute of Occupational Health, Oslo, Norway.
Address correspondence to: Håkon A. Johannessen, PhD, PO Box 8149 Dep, N-0033 Oslo, Norway ([email protected]).
Authors Johannessen, Tynes, and Sterud have no relationships/conditions/circumstances that present potential conflict of interest.
The JOEM editorial board and planners have no financial interest related to this research.