*Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang

†Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China

‡Department of Anesthesiology, Section of Neuroanesthesia, Aarhus University Hospital, Aarhus, Denmark

L.M. and M.R.: concept and design. L.M.: acquisition, analysis, and/or interpretation of data; drafting of the manuscript; administrative, technical, or material support; supervision.

The authors have no conflicts of interest to declare.

Address correspondence to: Lingzhong Meng, MD. E-mail: [email protected].