http://www.sec.gov/Archives/edgar/data/4969/000110465916152502/a16-20502_3424b2.htm
http://www.sec.gov/Archives/edgar/data/4969/000110465916152505/a16-20502_4424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116083751/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116083789/form424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000119312516748195/d240792d424b2.htm
http://www.sec.gov/Archives/edgar/data/36270/000119312516749693/d62380d424b2.htm
http://www.sec.gov/Archives/edgar/data/1679082/000119312516749793/d221801d424b4.htm