http://www.sec.gov/Archives/edgar/data/1494259/000104746917006342/a2233435z424b4.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117038465/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1419600/000119312517308820/d471282d424b5.htm
http://www.sec.gov/Archives/edgar/data/1341141/000119312517308856/d467719d424b5.htm
http://www.sec.gov/Archives/edgar/data/1425450/000157104917008223/t1702757-424b4.htm