1. Department of Nursing, Mayo Clinic, Rochester, Minnesota, United States
2. Center for Aging Research, Regenstrief Institute, School of Medicine, Indiana University, Indianapolis, Indiana, United States
3. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
4. Department of Anesthesiology and Intensive Care for Cardiac Surgery, Republican Clinical Medical Center, Belarus
5. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, United States