1. AMITA Health Saint Joseph Hospital Chicago, University of Illinois College of Medicine, Chicago, Illinois, USA
2. College of Osteopathic Medicine, Kansas City University, Kansas City, MO, USA
3. Department of Epidemiology and Health Statistics, School of Public Health Anhui Medical University, Hefei, Anhui, P.R. China
4. Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
5. Internal Medicine, The University of Arizona College of Medicine, Tucson, Arizona
6. Internal Medicine, Banner-University Medical Center South, Tucson, Arizona
7. Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA