1. University of Missouri-Columbia; Columbia Missouri USA
2. University of Ottawa; Centre for Global Health, Institute of Population Health; 1 Stewart Street Ottawa Ontario Canada K1N 6N5
3. University of Ottawa; Institute of Population Health; 1 Stewart St Ottawa Canada K1N6N5
4. Cardiff University School of Medicine; Section of Rheumatology, Department of Medicine; Bioengineering & Rheumatology Research Institute (BARRI) Building Heath Park Cardiff UK CF14 4XN
5. Birmingham VA Medical Center; Department of Medicine; Faculty Office Tower 805B 510 20th Street South Birmingham USA AL 35294