Centers for Disease Control and Prevention (US). Adult immunization schedules United States, 2013: details for health care professionals [Internet]. Atlanta (GA): Centers for Disease Control and Prevention (US); 2012 May 31[cited 2013 Jan 15]. Available from: http://www.cdc.gov/vaccines/schedules/index.htmlhttp://www.cdc.gov/vaccines/schedules/downloads/adult/mmwr-adult-schedule.pdf