| Authors: |
Patrick R; Department of Research & Evaluation, Kaiser Permanente Southern California, United States; Division of Epidemiology and Disease Control, Pasadena, Public Health Department, United States; Epidemic Intelligence Service, Centers for Disease Control and Prevention, United States. Electronic address: ura0@cdc.gov., Mahale P; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Ackerson BK; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Hong V; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Shaw S; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Kapadia B; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Spence B; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Feaster M; Division of Epidemiology and Disease Control, Pasadena, Public Health Department, United States., Slezak J; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Stern JA; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Davis GS; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Goodwin G; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Lewin B; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Lewnard JA; Division of Epidemiology, School of Public Health, University of California, Berkeley, United States., Tseng HF; Department of Research & Evaluation, Kaiser Permanente Southern California, United States., Tartof SY; Department of Research & Evaluation, Kaiser Permanente Southern California, United States. |