1 Lankenau Medical Center, Wynnewood, Pennsylvania; Bryn Mawr Hospital, Bryn Mawr, Pennsylvania; Sydney Kimmel Medical College, Philadelphia, Pennsylvania. Electronic address: michael.ezekowitz@comcast.net.
2 Bryn Mawr Medical Specialists Association-Cardiology, Bryn Mawr, Pennsylvania.
3 Lankenau Medical Center, Wynnewood, Pennsylvania.