The authors reply

Affiliations

• ¹ Department of Medicine, School of Medicine, University of Washington, Seattle, WA 98195.
• ² Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095.
• ³ Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA 98195.
• ⁴ Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294.
• ⁵ Department of Medicine, School of Medicine, University of California, San Diego, San Diego, CA 92093.
• ⁶ Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD 21205.
• ⁷ Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514.
• ⁸ Department of Medicine, School of Medicine, University of California, San Francisco, San Francisco, CA 94143.
• ⁹ Department of Medicine, Mount Sinai Medical Center, New York, NY 10029.