http://www.sec.gov/Archives/edgar/data/38009/000104746917000750/a2229479z424b3.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117008064/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117008110/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1499357/000119312517047559/d326254d424b5.htm
http://www.sec.gov/Archives/edgar/data/1666138/000119312517047996/d314636d424b4.htm
http://www.sec.gov/Archives/edgar/data/1004980/000119312517048101/d343789d424b5.htm