http://www.sec.gov/Archives/edgar/data/1070081/000104746919004615/a2239427z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119014401/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119014464/form424b2.htm
http://www.sec.gov/Archives/edgar/data/797468/000114036119014481/nt10003432x3_424b2.htm
http://www.sec.gov/Archives/edgar/data/1639856/000119312519214735/d938797d424b3.htm