January 1, 2008 - March 31, 2008
January 1, 2008 - March 31, 2008 (Amendment)
April 1, 2008 - July 18, 2008
April 1, 2008 - July 18, 2008 (Amendment)
April 1, 2008 - July 18, 2008 (Amendment 2)
April 1, 2008 - July 18, 2008 (Amendment 3)
April 1, 2008 - July 18, 2008 (Amendment 4)
July 18, 2008 - August 1, 2008
July 19, 2008 - August 1, 2008 (Amendment)
July 19, 2008 - August 1, 2008 (Amendment 2)
July 19, 2008 - August 1, 2008 (Amendment 3)
August 2, 2008 - August 21, 2008
August 2, 2008 - August 21, 2008 (Amendment)
October 21, 2008