http://www.sec.gov/Archives/edgar/data/1540092/000104746916016172/a2230034z424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116083075/form424b2.htm
http://www.sec.gov/Archives/edgar/data/19617/000119312516741573/d273820d424b2.htm