Affiliation: | 1. Amgen Ltd., Cambridge, UK;2. Medical Statistics Group, ScHARR, University of Sheffield, Sheffield, UK;3. Pfizer Ltd., Sandwich, UK;4. Quintiles Ireland Ltd., Dublin, Ireland;5. Applied Statistics, The University of Reading, Reading, UK;6. Quintiles, Rue Jean‐Dominique Cassini, Illkirch, France;7. Roche Products Limited, Welwyn Garden City, UK |