1. Division of Rheumatology, Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Krakow, Poland
2. Department of Clinical Immunology, Polish-American Children Hospital, Jagiellonian University Medical College, Krakow, Poland
3. Pfizer Global Research and Development, Groton, CT
4. Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Krakow, Poland