1. Department of Internal Medicine, Icahn School of Medicine at Mount Sinai-Elmhurst Hospital, Queens, NY, USA
2. Department of Internal Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
3. Department of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA
4. Department of Internal Medicine, Nexus Specialty Hospital, The Woodlands, TX, USA
5. Department of Internal Medicine, Abington Hospital Jefferson Health, Abington, PA, USA
6. Department of Internal Medicine, Steward Carney Hospital, Tufts Medical Center, Boston, MA, USA