Northwestern University, Chicago, Illinois, United States
The Cleveland Clinic Foundation, Cleveland, Ohio, United States
University of Maryland, Greenebaum Cancer Center, Baltimore, Maryland, United States
University of California San Diego Medical Center, San Diego, California, United States
Selçuk University, Konya, Turkey
Mayo Clinic - Rheumatology and Internal Medicine, Jacksonville, Florida, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States