1. Department of Palliative Care and Rehabilitation Medicine; The University of Texas MD Anderson Cancer Center; Houston Texas
2. Department of Biostatistics; The University of Texas MD Anderson Cancer Center; Houston Texas
3. Department of Palliative Care; King Hussein Cancer Center; Amman Jordan
4. Department of Medical Oncology; Barretos Cancer Hospital; Barretos Brazil
5. Department of Internal Medicine, School of Medicine; Pontifical Catholic University of Chile; Santiago Chile
6. Department of Palliative Care; Tata Memorial Center; Mumbai India