http://www.sec.gov/Archives/edgar/data/1000275/000114036118040434/form424b2.htm
http://www.sec.gov/Archives/edgar/data/23217/000119312518296954/d623528d424b5.htm
http://www.sec.gov/Archives/edgar/data/74615/000119312518297672/d636460d424b2.htm
http://www.sec.gov/Archives/edgar/data/1749360/000153949718001624/n1366_424b2-x11.htm