http://www.sec.gov/Archives/edgar/data/1639856/000119312518186195/d557695d424b5.htm
http://www.sec.gov/Archives/edgar/data/1593538/000119312518186283/d589323d424b5.htm
http://www.sec.gov/Archives/edgar/data/1701732/000119312518186759/d547660d424b4.htm
http://www.sec.gov/Archives/edgar/data/1723128/000119312518186850/d603324d424b3.htm