joint, including portions of the adjacent femur, or thigh bone, and tibia, or leg bone." Ford suffered two minor strokes at the 2000 Republican National Convention, but made a quick recovery after being admitted to Hahnemann University Hospital. In January 2006, he spent 11 days at the Eisenhower Medical Center near his residence at Rancho Mirage, California, for treatment of pneumonia. On April 23, 2006, President George W. Bush visited Ford at his home in Rancho Mirage for a little over an hour. This was Ford's last public appearance and produced the last known public photos, video footage, and voice recording. While vacationing in Vail, Colorado, Ford was hospitalized for two days in July 2006 for shortness of breath. On August 15 he was admitted to St. Mary's Hospital of the Mayo Clinic in Rochester, Minnesota, for testing and evaluation. On August 21, it was reported that he had been fitted with a pacemaker. On August 25, he underwent an angioplasty procedure at the Mayo Clinic. On August 28, Ford was released from the hospital and returned with his wife Betty to their California home. On October 13, he was scheduled to attend the dedication of a building of his namesake, the Gerald R. Ford School of Public Policy at the University of Michigan, but due to poor health and on the advice of his doctors he did not attend. The previous day, Ford had entered the Eisenhower Medical Center for undisclosed tests; he was released on October 16. By November 2006, he was confined to a bed in his study. Other activities Relations and work with Jimmy Carter During the term of office of his successor, Jimmy Carter, Ford received monthly briefs by President Carter's senior staff on international and domestic issues, and was always invited to lunch at the White House whenever he was in Washington, D.C. Their close friendship developed after Carter had left office, with the catalyst being their trip together to the funeral of Anwar el-Sadat in 1981. Until Ford's death, Carter and his wife, Rosalynn, visited the Fords' home frequently. Ford and Carter served as honorary co-chairs of the National Commission on Federal Election Reform in 2001 and of the Continuity of Government Commission in 2002. The latter commission recommended improvements to continuity of government measures for the federal government. Other In June 1981, officials of Dartmouth College stated Ford and Lady Bird Johnson