1. From Icahn School of Medicine at Mount Sinai (R.A.L.) and Syntactx (K.O.), New York; Haruguchi Vascular Access Clinic, Tokyo (H.H.); VasCore, Massachusetts General Hospital, Boston (I.W.); Medtronic, Plymouth, MN (L.L., S.C.); and the Department of Radiology, Auckland Hospital, Auckland, New Zealand (A.H.).