http://www.sec.gov/Archives/edgar/data/63908/000110465915039594/a15-12373_1424b2.htm
http://www.sec.gov/Archives/edgar/data/63908/000110465915039597/a15-12373_3424b2.htm
http://www.sec.gov/Archives/edgar/data/63908/000110465915039600/a15-12373_2424b2.htm
http://www.sec.gov/Archives/edgar/data/1548818/000119312515193680/d927939d424b5.htm
http://www.sec.gov/Archives/edgar/data/766704/000119312515194322/d923664d424b5.htm
http://www.sec.gov/Archives/edgar/data/101829/000119312515195099/d926570d424b2.htm
http://www.sec.gov/Archives/edgar/data/1166691/000119312515195170/d929791d424b2.htm
http://www.sec.gov/Archives/edgar/data/32604/000119312515195302/d924995d424b5.htm