1. John P. and Katherine G. McGovern Medical School The University of Texas Health Science Center Houston
2. University of California at San Francisco
3. National Institute of Arthritis and Musculoskeletal and Skin DiseasesNational Institutes of Health Bethesda Maryland
4. National Institute for Health Research Biomedical Research CentreGuy's and StThomas' National Health Service Foundation Trust and King's College London London United Kingdom
5. Cedars‐Sinai Medical Center Los Angeles California