1 Division of Rheumatology, Mayo Clinic, Rochester, Minnesota.
2 Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota.
3 Department of Neurology, Mayo Clinic, Rochester, Minnesota.
4 Division of Public Health Sciences, Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.
5 Division of Rheumatology, Mayo Clinic, Rochester, Minnesota; Myasoedova.elena@mayo.edu.