1. Yale University, New Haven, Connecticut.
2. Department of Obstetrics and Gynecology, Northwestern University Medical School, Chicago, Illinois.
3. Buehler Center on Aging, Health and Society, Northwestern University Medical School, Chicago, Illinois.
4. Trivandrum Institute of Palliative Sciences, Kerala, India.
5. Department of Economics, University of Oslo, Oslo, Norway.
6. Southwest Hematology Oncology, P.C., Phoenix, Arizona.
7. Department of Economics, Utah State University, Logan, Utah.