http://www.sec.gov/Archives/edgar/data/100826/000104746918002520/a2235203z424b2.htm
http://www.sec.gov/Archives/edgar/data/312070/000110465918022360/a18-9430_53424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118016975/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1383151/000119312518107430/d558241d424b3.htm
http://www.sec.gov/Archives/edgar/data/766704/000119312518107605/d517250d424b5.htm