http://www.sec.gov/Archives/edgar/data/1611702/000104746915005508/a2225144z424b4.htm
http://www.sec.gov/Archives/edgar/data/1626199/000104746915005528/a2225077z424b4.htm
http://www.sec.gov/Archives/edgar/data/1538849/000119312515225026/d941853d424b2.htm
http://www.sec.gov/Archives/edgar/data/1643202/000119312515225793/d943765d424b3.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465915004883/j617150424b2.htm