http://www.sec.gov/Archives/edgar/data/1039828/000104746917004001/a2232433z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117024904/form424b2.htm
http://www.sec.gov/Archives/edgar/data/732717/000119312517202893/d398484d424b5.htm
http://www.sec.gov/Archives/edgar/data/1033128/000119312517203557/d352951d424b5.htm
http://www.sec.gov/Archives/edgar/data/1348259/000134825917000049/a20170614-finalprospectuss.htm