http://www.sec.gov/Archives/edgar/data/894158/000114420415042679/v415255_424b5.htm
http://www.sec.gov/Archives/edgar/data/64803/000119312515253059/d122631d424b2.htm
http://www.sec.gov/Archives/edgar/data/1552275/000119312515253095/d61505d424b3.htm
http://www.sec.gov/Archives/edgar/data/276328/000119312515253682/d134364d424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465915005383/b715151424b2.htm