http://www.sec.gov/Archives/edgar/data/1070081/000104746919000228/a2237593z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119001482/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119001514/form424b2.htm
http://www.sec.gov/Archives/edgar/data/35527/000119312519015993/d688779d424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465919000501/d123191424b2.htm
http://www.sec.gov/Archives/edgar/data/1595097/000149315219000901/form424b5.htm
http://www.sec.gov/Archives/edgar/data/1499717/000156459019001064/staf-424b5.htm
http://www.sec.gov/Archives/edgar/data/1333493/000162828019000532/finalprospectusjan2019424b5.htm