aSchool of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA bDepartments of Neurology and Immunology, Peter Duncan Neurosciences Unit, St Vincent's Centre for Applied Medical Research, St Vincent's Hospital, Sydney, University of New South Wales and University of Notre Dame, Sydney, New South Wales, Australia. Correspondence to David E. Vance, PhD, MGS, University of Alabama at Birmingham School of Nursing, Birmingham, AL 35294-4410, USA. E-mail: [email protected] Received 21 February, 2024 Accepted 27 February, 2024