1. Department of Cell Biology, San Diego Biomedical Research Institute, San Diego, CA, USA
2. Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
3. Department of Immunology and Microbiology, Scripps Research, La Jolla, Ca and Center for Thrombosis and Hemostasis, University Medical Center, Mainz, Germany
4. Department of Medicine, Veterans Affairs San Diego Healthcare System, San Diego, CA, USA
5. Department of Medicine, University of California San Diego, La Jolla, CA, USA