RWTH Aachen University - Department of Palliative Medicine, Ghent University - End-of-Life Care Research Group, Ghent University - End-of-Life Care Research Group, Universidad de Costa Rica, Ministry of Health Mexico - Coordination for Advance directives and Palliative Care Program, Argentine Ministry of Health - Dirección de Estadísticas en Información de Salud, Parana Governo de estado secretaria de salud - Hospital Dr. Anísio Figueiredo, National Cancer Institute(INCAN) - Department of Palliative Care and Pain, Barretos Cancer Hospital - Palliative Care Unit, Hospital Divina Providência, Institute of Cancer (Guatemala) - Palliative Care Unit, University of Buenos Aires (UBA) - Department of Palliative Care, Ministry of Public Health (Ecuador) - Palliative Care Unit and RWTH Aachen University - Department of Palliative Medicine