Arrange the following technological developments in health systems in chronological order:
A) The invention of the X-ray machine
B) The introduction of robotic surgery
C) The advent of medical imaging technologies like MRI and CT scans
D) The development of wearable health-monitoring devices
1
A, C, D, B
2
A, D, C, B
3
B, A, D, C
4
A, C, B, D