Guest Editors: Fabian M Johnston (Johns Hopkins University, Baltimore, MD, USA) and Ana Berlin (Adult Palliative Medicine Service, Columbia University Medical Center, USA)

Guest Editors: Simon Lo (University of Washington School of Medicine, USA), Michael Milano (University of Rochester Medical Center, USA), Tithi Biswas (Case Western Reserve University, USA) and Charles Simone (New York Proton Center, USA)

Guest Editors: Jerome J. Graber (University of Washington, Alvord Brain Tumor Center, Seattle, WA, USA) and Hany Soliman (University of Toronto, Sunnybrook Odette Cancer Centre, Canada)

Guest Editors: Nancy J Preston (University of Lancaster, Lancaster, UK) and Sheri Mila Gerson (University of Glasgow, School of Interdisciplinary Studies, Dumfries, Scotland)