http://www.sec.gov/Archives/edgar/data/56873/000104746916015754/a2229810z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036116080799/form424b2.htm
http://www.sec.gov/Archives/edgar/data/886982/000119312516721186/d193509d424b2.htm
http://www.sec.gov/Archives/edgar/data/1128928/000119312516721723/d214856d424b5.htm