1 Faculty of Health Sciences, University of Hull, Hull HU6 7RX, UK. Electronic address: j.wray@hull.ac.uk.
2 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy. Electronic address: michela.calzolari@edu.unige.it.
3 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy; S.I.T.R.A, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via G. Celoria, 11, 20133 Milan, Italy. Electronic address: mariarosaria.gammone@edu.unige.it.
4 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy; Faculty of Nursing and Midwifery, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin, Ireland. Electronic address: giuseppe.aleo@edu.unige.it.
5 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy. Electronic address: gianluca.catania@edu.unige.it.
6 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy. Electronic address: milko.zanini@edu.unige.it.
7 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy. Electronic address: l.sasso@unige.it.
8 Department of Health Sciences, University of Genoa, Via A. Pastore 1, 16132 Genoa, Italy. Electronic address: annamaria.bagnasco@unige.it.