http://www.sec.gov/Archives/edgar/data/886982/000110465915074239/a15-20656_6424b2.htm
http://www.sec.gov/Archives/edgar/data/4969/000110465915074501/a15-22032_3424b2.htm
http://www.sec.gov/Archives/edgar/data/4969/000110465915074503/a15-22032_4424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036115039040/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036115039042/form424b2.htm
http://www.sec.gov/Archives/edgar/data/894329/000119312515360154/d60004d424b5.htm
http://www.sec.gov/Archives/edgar/data/1292982/000119312515360230/d38114d424b5.htm
http://www.sec.gov/Archives/edgar/data/1551964/000120864615000105/c111513.htm