1. Ezekiel J. Emanuel is with the Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia. Florencia Luna is with the Program of Bioethics, FLACSO (Latin American University of Social Sciences) and CONICET (National Scientific and Technical Research Council), Buenos Aires, Argentina. G. Owen Schaefer is with the Centre for Biomedical Ethics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. Kok-Chor Tan is with the...