Ghaferi Amir A, Haider Adil H, Kibbe Melina R
Institute for Healthcare Policy and Innovation, Department of Surgery, University of Michigan, Ann Arbor.
Aga Khan University, Karachi, Pakistan.
JAMA Surg. 2020 Mar 1;155(3):190-191. doi: 10.1001/jamasurg.2019.5479.