1. Department of Neurobiology, Care Sciences and Society (NVS), Karolinska Institutet, 141 83 Huddinge, Sweden
2. School of Health, Care and Social Welfare, Mälardalen University, P.O. Box 883, 721 23 Västerås, Sweden
3. School of Health, Care and Social Welfare, Mälardalen University, P.O. Box 325, 631 05 Eskilstuna, Sweden
4. Department of Health Care Sciences, Ersta Sköndal University College, P.O. Box 11189, 100 61 Stockholm, Sweden