1. Department of Anesthesia Indiana University School of Medicine IA Indianapolis USA
2. Department of Anesthesiology, Nanjing Drum Tower Hospital Affiliated Hospital of Nanjing University Medical School Nanjing China
3. Department of Anesthesiology, First Affiliated Hospital Sun Yat‐sen University Guangzhou China
4. Choate Rosemary Hall School CT Wallingford USA
5. Department of Biostatistics and Health Data Science Indiana University School of Medicine IA Indianapolis USA
6. Departments of Anesthesiology and Pain Management Neurological Surgery, Neurology and Neurotherapeutics, UT Southwestern Medical Center TX Dallas USA
7. Department of Anesthesiology, Section of Neuroanesthesia Aarhus University Hospital Aarhus Denmark