aDepartment of Internal Medicine

bSection of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA

Correspondence to Lauren E. Ferrante, MD, MHS, Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, 300 Cedar Street, TAC S-431, PO Box 208057, New Haven, CT 06520, USA. E-mail: [email protected]