http://www.sec.gov/Archives/edgar/data/1570827/000104746918000688/a2234484z424b4.htm
http://www.sec.gov/Archives/edgar/data/1396413/000104746918000701/a2234490z424b5.htm
http://www.sec.gov/Archives/edgar/data/1699136/000104746918000703/a2234486z424b4.htm
http://www.sec.gov/Archives/edgar/data/1130598/000110465918008090/a18-3989_3424b4.htm
http://www.sec.gov/Archives/edgar/data/1419828/000114036118006318/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1597553/000119312518038037/d509897d424b5.htm
http://www.sec.gov/Archives/edgar/data/1476150/000119312518038045/d454177d424b5.htm