http://www.sec.gov/Archives/edgar/data/1671697/000092963816001436/a70010_424b5.htm
http://www.sec.gov/Archives/edgar/data/1569187/000104746916012856/a2227277z424b2.htm
http://www.sec.gov/Archives/edgar/data/804269/000119312516576395/d188499d424b5.htm