1. Lausanne University Hospitals and Clinics; Department of Oncology; Rue du Bugnon 46 Lausanne Switzerland 1011
2. National University Cancer Institute; Department of Haematology-Oncology; 1E Kent Ridge Road NUHS Tower Block, Level 7 Singapore Singapore 119228
3. University Medical Center of the Johannes Gutenberg University; Department of Internal Medicine; Langenbeckstrasse 1 Mainz Germany 55131
4. Martin-Luther-University Halle-Wittenberg; Department of Internal Medicine I; Ernst-Grube-Str. 40 Halle/Saale Germany 06097
5. National University of Singapore; Saw Swee Hock School of Public Health; 12 Science Drive 2 #10-03F Singapore Singapore 117549
6. Martin-Luther-University Halle-Wittenberg; Institute of Medical Epidemiology, Biostatistics and Informatics; Magdeburge Straße 8 Halle/Saale Germany 06097