1. From the Division of Cardiology, Saiseikai Kumamoto Hospital, Kumamoto (K.O.), the Department of Cardiology, National Hospital Organization Kyoto Medical Center, Kyoto (M. Akao), Onga Nakama Medical Association Onga Hospital, Onga (T. Yoshida), the Department of Cardiology, Akashi Medical Center, Akashi (M.K.), the Department of Cardiology, National Center for Global Health and Medicine (O.O.), Clinical Development Department III, Development Function, Research and Development Division (K.T., M.F.), and...