1 KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore 229899, Singapore; Anesthesiology and Perioperative Sciences Academic Clinical Program, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore. Electronic address: tan.chin.wen@kkh.com.sg.
2 KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore 229899, Singapore; Severn PGME School of Anesthesia, Park House, 1200 Parkway, Bristol BS34 8YU, United Kingdom.
3 KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore 229899, Singapore; Anesthesiology and Perioperative Sciences Academic Clinical Program, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore.
4 Biostatistics, Singapore Clinical Research Institute, 23 Rochester Park, #06-01, Singapore 139234, Singapore; Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, 12 Science Drive 2 MD1 Tahir Foundation Building Level 10, Singapore 117549, Singapore.
5 Biostatistics, Singapore Clinical Research Institute, 23 Rochester Park, #06-01, Singapore 139234, Singapore; Centre for Quantitative Medicine, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore; Tampere Center for Child, Adolescent, and Maternal Health Research: Global Health Group, Tampere University, Arvo Ylpön katu 34, Tampere, 33520, Finland.
6 Centre for Quantitative Medicine, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore.