http://www.sec.gov/Archives/edgar/data/886982/000110465915083540/a15-24383_10424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000110465915083564/a15-24383_9424b2.htm
http://www.sec.gov/Archives/edgar/data/1510580/000119312515397743/d91671d424b5.htm
http://www.sec.gov/Archives/edgar/data/1394074/000119312515397860/d63965d424b2.htm