http://www.sec.gov/Archives/edgar/data/1000275/000114036118044988/form424b2.htm
http://www.sec.gov/Archives/edgar/data/883948/000114420418064286/tv508464-424b3.htm
http://www.sec.gov/Archives/edgar/data/1561894/000119312518347813/d658419d424b5.htm
http://www.sec.gov/Archives/edgar/data/1758292/000153949718002011/n1427_424b2-x14.htm