http://www.sec.gov/Archives/edgar/data/1000275/000114036118005184/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118005369/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1415311/000119312518033311/d537042d424b3.htm
http://www.sec.gov/Archives/edgar/data/1415311/000119312518033318/d537042d424b3.htm