1. Faculty of Medicine and Pharmacy, Free University of Brussels (VUB), Brussels, Belgium
2. The Israeli School of Humanitarian Action, Tel Aviv, Israel
3. Department of Psychology, Health Psychology, Faculty of Natural Sciences, MSB Medical School Berlin, Berlin, Germany
4. Department of Health, Behavior & Society, Blomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
5. Department of Nursing, Haifa University, Haifa, Israel