http://www.sec.gov/Archives/edgar/data/947484/000094748417000067/a424b2f81417.htm
http://www.sec.gov/Archives/edgar/data/1232582/000104746917005275/a2233027z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036117032375/form424b2.htm
http://www.sec.gov/Archives/edgar/data/320193/000119312517258933/d433785d424b2.htm
http://www.sec.gov/Archives/edgar/data/1243877/000119312517259061/d439243d424b3.htm
http://www.sec.gov/Archives/edgar/data/842162/000119312517259348/d435505d424b2.htm
http://www.sec.gov/Archives/edgar/data/1688568/000119312517259375/d439305d424b5.htm