Author response to: Nationwide study of surgery for primary infected abdominal aortic and common iliac artery aneurysms. Issue 2 (17th November 2021) - Hosaka, Akihiro; Kumamaru, Hiraku; Takahashi, Arata; Azuma, Nobuyoshi; Obara, Hideaki; Miyata, Tetsuro; Obitsu, Yukio; Zempo, Nobuya; Miyata, Hiroaki; Komori, Kimihiro