1 School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia; Department of Medicine, Faculty of Medicine, University of Rajarata, Saliyapura, Anuradhapura, Sri Lanka. Electronic address: tissa.wijeratne@wh.org.au.
2 School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia.