1. Department of Medicine, Section of Geriatrics, Baylor College of Medicine, Houston, TX, USA, Division of Palliative Medicine, The Methodist Hospital, Houston, TX, USA,
2. St Luke's Episcopal Hospital, Houston, TX, USA, The University of Texas Health Science Center at Houston School of Nursing, Houston, TX, USA
3. Patient Safety and Quality Department, St Luke's Episcopal Health System, Houston, TX, USA
4. American Academy of Hospice and Palliative Medicine, Glenview, IL, USA, Colorado Permanente Medical Group, Boulder, CO, USA