http://www.sec.gov/Archives/edgar/data/1045520/000110465917046257/a17-16880_27424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117028364/form424b2.htm
http://www.sec.gov/Archives/edgar/data/810961/000119312517232528/d426251d424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000119312517232622/d266934d424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000119312517232633/d380745d424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000119312517232639/d425475d424b2.htm