http://www.sec.gov/Archives/edgar/data/788784/000089109216018671/e71406_424b5.htm
http://www.sec.gov/Archives/edgar/data/1419828/000110465916154632/a16-20847_2424b2.htm
http://www.sec.gov/Archives/edgar/data/1561894/000119312516758839/d279873d424b5.htm
http://www.sec.gov/Archives/edgar/data/1063344/000119312516759032/d277827d424b5.htm