http://www.sec.gov/Archives/edgar/data/1172767/000104746917006865/a2233747z424b5.htm
http://www.sec.gov/Archives/edgar/data/1232582/000104746917006871/a2233744z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117041611/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1127732/000119312517336593/d488439d424b5.htm
http://www.sec.gov/Archives/edgar/data/1396969/000119312517337148/d489526d424b3.htm