1. Department of Public Health Sciences; Henry Ford Health System; Detroit Michigan United States of America
2. School of Nursing; University of Michigan; Ann Arbor Michigan United States of America
3. Arthritis and Clinical Immunology Research Program; Oklahoma Medical Research Foundation; Oklahoma City Oklahoma United States of America
4. Public Health Sciences Section; University of Edinburgh Medical School; Edinburgh Scotland
5. Department of Medicine; Upstate Medical University; Syracuse New York United States of America