http://www.sec.gov/Archives/edgar/data/1620179/000104746918002691/a2235236z424b3.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118017901/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118018025/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1734103/000153949718000575/n1201_424b2-x14.htm