1. IBCSG Statistical Center, Dana-Farber Cancer Institute, Department of Biostatistics and Computational Biology; 450 Brookline Avenue, LW2; Boston; MA; 02115; USA
2. Centre for Medical Psychology and Evidence-based Decision-making (CeMPED), School of Psychology; The University of Sydney; Camperdown; NSW; 2006; Australia
3. IBCSG Coordinating Center; Effingerstrasse 40; 3008; Bern; Switzerland
4. Department of Social and Behavioral Health; Virginia Commonwealth University School of Medicine; 1112 East Clay Street; Richmond; VA; 23298; USA