1 Epidemiology Unit, Health Research Institute-Fundación Jiménez Díaz University Hospital, Universidad Autónoma de Madrid, Madrid, Spain. Electronic address: rafael.dalre@quironsalud.es.
2 Centre for Biomedical Ethics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
3 Centre for Social Ethics and Policy, Department of Law, School of Social Sciences, University of Manchester, UK; Center for Medical Ethics, HELSAM, Faculty of Medicine, University of Oslo, Oslo, Norway.