Author's reply to the Letter to the Editor from Dr. Imamura: Impact of living alone on the care and outcomes of patients with ST-elevation myocardial infarction. Issue 2 (August 2020) - Ohama, Ayumi; Mizuguchi, Yukio; Hashimoto, Sho; Yamada, Takeshi; Taniguchi, Norimasa; Nakajima, Shunsuke; Hata, Tetsuya; Takahashi, Akihiko