http://www.sec.gov/Archives/edgar/data/773840/000093041316008547/c86366_424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116083446/form424b2.htm
http://www.sec.gov/Archives/edgar/data/83246/000114420416129337/v451085_424b2.htm
http://www.sec.gov/Archives/edgar/data/36270/000119312516745912/d62380d424b5.htm