Lau, Bjørn PhDa; Knardahl, Stein MD, PhDa,b
From the aNational Institute of Occupational Health (Dr Lau and Dr Knardahl), Oslo, Norway; and bInstitute of Psychology (Dr Knardahl), University of Oslo, Oslo, Norway.
Address correspondence to: Bjørn Lau, PhD, National Institute of Occupational Health, PO Box 8149 Dep., NO-0033 Oslo, Norway, E-mail: [email protected].
doi: 10.1097/JOM.0b013e31815c89a1
