Allergic conditions and risk of rheumatoid arthritis: a Swedish case–control study

• Johan Askling,
• Lars Klareskog,
• Lars Alfredsson,
• Marie Holmqvist,
• Helga Westerlind,
• Cynthia S Crowson,
• Vanessa L Kronzer

Affiliations

Johan Askling

Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden

Lars Klareskog

Rheumatology Division, Department of Medicine, Solna, Karolinska Institute, Stockholm, Sweden

Lars Alfredsson

Institute of Environmental Medicine (IMM), Karolinska Institute, Stockholm, Sweden

Marie Holmqvist

Clinical Epidemiology Unit, Dept of Medicine Solna, Karolinska Institutet, Stockholm, Sweden

Helga Westerlind

Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden

Cynthia S Crowson

Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA

Vanessa L Kronzer

Rheumatology, Mayo Clinic, Rochester, Minnesota, USA