http://www.sec.gov/Archives/edgar/data/1538990/000104746916013275/a2228705z424b5.htm
http://www.sec.gov/Archives/edgar/data/1210227/000114420416103350/v440234_424b3.htm
http://www.sec.gov/Archives/edgar/data/1297996/000119312516594510/d191916d424b2.htm
http://www.sec.gov/Archives/edgar/data/1671048/000153949716002982/n664_424b2-x9.htm