http://www.sec.gov/Archives/edgar/data/1553830/000114420416090008/v435240_424b3.htm
http://www.sec.gov/Archives/edgar/data/1353615/000119312516516580/d126095d424b4.htm
http://www.sec.gov/Archives/edgar/data/1353612/000119312516516591/d137018d424b4.htm
http://www.sec.gov/Archives/edgar/data/912593/000119312516516850/d167923d424b5.htm