http://www.sec.gov/Archives/edgar/data/1641623/000092963815000570/a69171_424b2.htm
http://www.sec.gov/Archives/edgar/data/101778/000104746915005213/a2224975z424b5.htm
http://www.sec.gov/Archives/edgar/data/1577368/000114420415035312/v412260_424b5.htm
http://www.sec.gov/Archives/edgar/data/1593034/000119312515211045/d935702d424b5.htm
http://www.sec.gov/Archives/edgar/data/831001/000119312515211377/d933142d424b2.htm
http://www.sec.gov/Archives/edgar/data/1144797/000120864615000058/c111125.htm