Reply to: Steinbok P (2019) Letter to the Editor Re: Escher PJ, Tu A, Kearney S, Wheelwright M, Petronio J, Kebriaei M, Chinnadurai S, Tibesar RJ (2019) Minimizing transfusion in sagittal craniosynostosis surgery: the Children’s Hospital of Minnesota Protocol. Childs Nerv Syst. 2019 Aug;35(8):1357–1362