1. Pediatric Oncology and Hematology Children's Hospital, University of Cologne Cologne Germany
2. Dead‐Sea and Arava Science Center Ein Bokek Israel
3. Department of Dermatovenereology Clinical Hospital Center Rijeka Rijeka Croatia
4. University of Rijeka, Faculty of Medicine Rijeka Croatia
5. Faculty of Life Sciences and Medicine, King's College London London UK
6. c/o Cochrane Skin Group, The University of Nottingham Nottingham UK
7. Saw Swee Hock School of Public Health National University of Singapore Singapore Singapore
8. Department of Dermatology Ruhr‐University Bochum Bochum Germany