Gran Jon M, Aalen Odd O
1 Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, University of Oslo, Norway.
2 Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Norway.
Stat Methods Med Res. 2019 Jan;28(1):321-322. doi: 10.1177/0962280218811177. Epub 2018 Nov 5.