The four Candidate cities were selected according to a detailed study of the Applicant Files received by the IOC Working Group on January 14, 2008. The four cities submitted the Candidature Files to the IOC on February 11, 2009. They were analyzed by the IOC Evaluation Commission, which made site inspections in Chicago (April 4–7, 2009), Tokyo (April 16–19, 2009), Rio de Janeiro (April 27–May 2, 2009) and Madrid (May 5–8, 2009). Under the leadership of Nawal El Moutawakel, the Evaluation Commission released its report on September 2, 2009; one month prior to the election.