1. Department of Public Health, Ashkelon Academic College, Ashkelon 78211, Israel
2. School of Public Health, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
3. Oncology Institute, Shaare Zedek Medical Center, Jerusalem 91031, Israel
4. Palliative Care Unit, Barzilai Medical Center, Ashkelon 78306, Israel