From the Departments of *Anesthesia
†Cardiothoracic and Vascular Surgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, India.
Accepted for publication May 7, 2019.
The authors declare no conflicts of interest.
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Address correspondence to Saravana Babu, MD, DM, Department of Anesthesia, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum 695011, India. Address e-mail to firstname.lastname@example.org; email@example.com.