http://www.sec.gov/Archives/edgar/data/1273685/000104746918007140/a2237092z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118042665/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118042667/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036118042784/form424b2.htm
http://www.sec.gov/Archives/edgar/data/792966/000119312518322081/d634227d424b3.htm