1 Department of Palliative Care and Rehabilitation Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA dhui@mdanderson.org.
2 Department of Palliative Care and Rehabilitation Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA.
3 Oncological Palliative Medicine, Hematology-Oncology, Cantonal Hospital, St Gallen, Switzerland.
4 Department of Palliative and Supportive Care and Seirei Hospice, Seirei Mikatahara General Hospital, Hamamatsu, Japan.
5 Palliative Care, Pain Therapy and Rehabilitation, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
6 Department of Solid Tumor Oncology, Taussig Cancer Institute, Cleveland, USA.
7 Cancer Pain and Palliative Medicine Service, Department of Medical Oncology, Shaare Zedek Medical Center, Jerusalem, Israel.
8 European Palliative Care Research Centre, Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology and The Cancer Clinic, St Olavs Hospital-Trondheim University Hospital, Trondheim, Norway.
9 Palliative and Supportive Services, Flinders University, Adelaide, Australia.
10 Duke Clinical Research Institute, Duke University School of Medicine, Durham, USA.
11 Division of Palliative Care Medicine, Department of Oncology, University of Alberta, Edmonton, Canada.