http://www.sec.gov/Archives/edgar/data/70858/000119312515230660/d942804d424b3.htm
http://www.sec.gov/Archives/edgar/data/104894/000119312515231962/d946235d424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465915004947/a622150424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465915004958/b622151424b2.htm