Subscription rates are shown in the table below. For service in the US and Americas, inquiries on pricing, address changes, missing issues, subscription billing, subscription renewal, and back issues, contact the AMA Unified Service Center, 24 hours a day, 7 days a week. AMA members: phone: (800) 262-3211; e-mail: firstname.lastname@example.org. Other physicians and nonphysician customers, including subscription agents: phone: (800) 262-2350 or (312) 670-7827; fax: (312) 464-5831; e-mail: email@example.com. Mail inquiries: Unified Service Center, American Medical Association, PO Box 10946, Chicago, IL 60610-0946. For subscribers with mailing addresses outside the US and the Americas: Contact JAMA/Archives Journals, American Medical Association, Tower House, Sovereign Park, Market Harborough, Leicestershire LE15 9EF, UK. Phone: +44 1858-438880; fax: +44 1858-434958; e-mail: firstname.lastname@example.org.