http://www.sec.gov/Archives/edgar/data/1114446/000091412117001298/ub37586716-424b2.htm
http://www.sec.gov/Archives/edgar/data/1419828/000114036117036557/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117036577/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1522616/000119312517295642/d443320d424b2.htm
http://www.sec.gov/Archives/edgar/data/1126975/000119312517296031/d450827d424b2.htm
http://www.sec.gov/Archives/edgar/data/74615/000119312517296119/d442168d424b2.htm