http://www.sec.gov/Archives/edgar/data/1481512/000104746916016293/a2230046z424b4.htm
http://www.sec.gov/Archives/edgar/data/805022/000104746916016308/a2230092z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116083589/form424b2.htm
http://www.sec.gov/Archives/edgar/data/917251/000114420416129601/v451222_424b5.htm