Footnotes

• Twitter @lxu_md, @sgmemtsoudis, @EMARIANOMD

• Contributors LX helped design the study, collected data, drafted and revised the initial manuscript, reviewed and approved the submitted manuscript. DG helped design the study, collected data, drafted and revised the initial manuscript, reviewed and approved the submitted manuscript. AK helped design the study, analyzed data, drafted and revised the initial manuscript and figures, reviewed and approved the submitted manuscript. KK collected data, reviewed, edited and approved the submitted manuscript. SGM helped design the study, reviewed, edited and approved the submitted manuscript. ERM helped design the study, drafted and revised the initial manuscript, reviewed and approved the submitted manuscript. LX, DG, and ERM were involved with the development of the infographic with the assistance of RAPM. SGM, AK, and KK edited and approved the infographic.

• Funding This research received financial support in the form of a research grant awarded to the primary investigator by the Department of Anesthesiology, Perioperative and Pain Medicine at Stanford University School of Medicine.

• Competing interests None declared.

• Provenance and peer review Commissioned; externally peer reviewed.