1. From the Kyoto University, Kyoto (T.K., T. Morimoto); Tenri Hospital, Tenri City (Y.N.); Chikamori Hospital, Kochi City (K.K.); National Cardiovascular Center, Osaka (S.M.); Kawasaki Social Insurance Hospital, Kawasaki City (T. Muramatsu); Matsue Red Cross Hospital, Matsue (N.S.); Kanazawa Cardiovascular Hospital, Kanazawa (M. Namura); Ogaki Municipal Hospital, Ogaki (T.S.); Gunma Prefecture Cardiovascular Center, Maebashi (S.O.); Mie Heart Center, Mie (H.N.); Tokushima Red Cross Hospital,...