Acknowledgements
Levitan
This study was funded by Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc., Rahway, NJ, USA (MSD). We thank the patients and their families and caregivers for participating in this study, along with all investigators and site personnel. Support for biomarker analyses was provided by Diane Levitan of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc., Rahway, NJ, USA. Medical writing assistance was provided by Lisa Baker, PhD, and Michael S. McNamara, MS, of ICON plc (Blue Bell, PA, USA). This assistance was funded by MSD.