http://www.sec.gov/Archives/edgar/data/947263/000089109218001540/e77789-424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118009544/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118009657/form424b2.htm
http://www.sec.gov/Archives/edgar/data/12927/000119312518054139/d457294d424b2.htm
http://www.sec.gov/Archives/edgar/data/1631650/000119312518054140/d497014d424b5.htm
http://www.sec.gov/Archives/edgar/data/751364/000119312518054332/d543162d424b5.htm