http://www.sec.gov/Archives/edgar/data/1651308/000104746917005219/a2233000z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117031262/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117031366/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1712182/000114420417042528/v472895_424b5.htm
http://www.sec.gov/Archives/edgar/data/1614502/000119312517255738/d372434d424b3.htm
http://www.sec.gov/Archives/edgar/data/1282663/000119312517256056/d434964d424b5.htm
http://www.sec.gov/Archives/edgar/data/1630212/000161577417004252/s107156_424b3.htm