1 Evelyn L. Spiro School of Nursing, Wagner College, One Campus Road, Campus Hall Rm 316, Staten Island, NY 10301, USA. Electronic address: dowling.castronovo@wagner.edu.
2 BHS Department, Gerontological Nursing, University of Pennsylvania, Fagin Hall, Room 312, 418 Curie Blvd, Philadelphia, PA 19104, USA. Electronic address: cwb@upenn.edu.
3 College of Nursing and Health Sciences, Flinders University, Sturt Campus, Sturt North Wing (N119), GPO Box 2100, Adelaide 5001, South Australia, Australia. Electronic address: alison.kitson@flinders.edu.au.
4 Aged Care Division, National Ageing Research Institute Ltd, Royal Melbourne Hospital, PO Box 2127, Victoria 3050, Australia. Electronic address: j.ostaszkiewicz@nari.edu.au.
5 University of North Carolina at Chapel Hill, School of Nursing, CB 7460, Room 4013, Chapel Hill, NC 27599, USA. Electronic address: mhpalmer@email.unc.edu.