http://www.sec.gov/Archives/edgar/data/1615346/000104746916014720/a2229369z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116075072/form424b2.htm
http://www.sec.gov/Archives/edgar/data/715957/000119312516672831/d230519d424b2.htm
http://www.sec.gov/Archives/edgar/data/1332639/000119312516673377/d200207d424b5.htm