http://www.sec.gov/Archives/edgar/data/1000275/000114036119000775/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119000821/form424b3.htm
http://www.sec.gov/Archives/edgar/data/1126975/000119312519006681/d640796d424b2.htm
http://www.sec.gov/Archives/edgar/data/864270/000119312519007469/d682024d424b2.htm