Andrew G. LeeHouston Methodist HospitalChair, Department of OphthalmologyProfessor of Ophthalmology, Neurology and NeurosurgeryProfessor of Ophthalmology, Weill Cornell Medical CollegeNew York, NYUSAJane F. PotterProfessor of MedicineDivision of Geriatrics, Gerontology and Palliative CareHome Instead Center for Successful AgingUniversity of Nebraska Medical CenterOmaha, NEUSA G. Michael HarperProfessor of MedicineDivision of GeriatricsUniversity of California, San Francisco School of MedicineStaff Physician, San Francisco VA Health Care SystemSan Francisco, CAUSA