From the *Division of Research, Kaiser Permanente Medical Care Program, Northern California Region, Oakland, CA
†Division of Clinical Immunology and Rheumatology, The University of Alabama at Birmingham, Birmingham, AL
‡Department of Rheumatology, Kaiser Permanente Northern California
§Department of Dermatology, Kaiser Permanente Southern California.
Source of Support: This study was funded by a research grant from the Agency for Healthcare Research and Quality (R01HS021589).
Competing interests: The authors declare no conflict of interest.
Correspondence: Lisa J. Herrinton, PhD, Division of Research, Kaiser Permanente, 2000 Broadway, Oakland, CA 94612. E-mail: firstname.lastname@example.org.
Online date: November 9, 2018