Inter hospital transfers in rotor wing aircraft. Patterns and challenges. Protocol for a scoping review. - Hansen, Peter Martin; Rudolph, Søren Steemann; Barfod, Charlotte; Hansen, Troels Martin; Knudsen, Jens Stubager; Fedog, Trond Nuland; Krog, Jan (Acta Anaesthesiologica Scandinavica, 2024)