1Section of Palliative Medicine and Supportive Oncology, Department of Solid Tumor Oncology, Cleveland Clinic Taussig Cancer Institute, Cleveland, OH, USA2The Harry R. Horvitz Center for Palliative Medicine, Cleveland Clinic, Cleveland, OH, USA3Faculty of Health Sciences, Trinity College, Dublin 2, Ireland4Section of Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, USA5Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA