http://www.sec.gov/Archives/edgar/data/1633142/000104746915004960/a2224867z424b4.htm
http://www.sec.gov/Archives/edgar/data/1499357/000119312515197791/d931807d424b5.htm
http://www.sec.gov/Archives/edgar/data/1467076/000119312515198934/d926274d424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465915004199/l521151424b2.htm