Yong-Mei Cha, MD, is a Consultant in the Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, and Professor of Medicine, Mayo Clinic College of Medicine.

Margaret A. Lloyd, MD, is a Consultant in the Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, and Assistant Professor of Medicine, Mayo Clinic College of Medicine.

Ulrika M. Birgersdotter-Green, MD, is the Director of Pacemaker and ICD Services for the UC-San Diego Health System in San Diego, California, and Professor of Medicine at UC-San Diego School of Medicine.