Lundberg Ingrid E, Bottai Matteo, Tjärnlund Anna
Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden.
Unit of Biostatistics, Institute for Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
Ann Rheum Dis. 2018 Dec;77(12):e91. doi: 10.1136/annrheumdis-2017-212786. Epub 2018 Jan 9.