- Correspondence to Dr Daniel Katz, Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai Department of Anesthesiology Perioperative and Pain Medicine, New York city, NY 10029, USA;
- Received March 26, 2019
- Revised May 10, 2019
- Accepted May 14, 2019
- First published May 31, 2019.
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