Ethical conflicts associated with COVID‐19 pandemic, triage and frailty—unexpected positive disease progression in a 90‐year‐old patient: A case report - Wehrfritz, Andreas; Schmidt, Joachim; Bremer, Frank; Lang, Anne‐Katharina; Welzer, Jacob; Castellanos, Ixchel (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2023)