Comment on "Renail failure suppresses muscle irisin expression, and irisin blunts cortical bone loss in mice" by Kawao et al. ‐ the authors' reply. Issue 1 (30th November 2022) - Kawao, Naoyuki; Kawaguchi, Miku; Ohira, Takashi; Ehara, Hiroki; Mizukami, Yuya; Takafuji, Yoshimasa; Kaji, Hiroshi