http://www.sec.gov/Archives/edgar/data/1114446/000091412117001467/ub37949250-424b2.htm
http://www.sec.gov/Archives/edgar/data/731766/000119312517312212/d451254d424b5.htm
http://www.sec.gov/Archives/edgar/data/1716263/000153949717001809/n1040_424b2-x17.htm