The midpoint is defined as (s+ e /2, where s is the start coordinate and e is the end coordinate of the indel.
The location of the femoral head center was defined as the midpoint of the intersected line between the two points with the largest distance of the contour of the femoral head.
In the left lower leg coordinate system, the vector from MK towards the midpoint between the medial malleolus and lateral malleolus (ankle midpoint, MA) was defined as LTz.
In the left femur coordinate system, the vector from the anterior superior iliac spine towards the midpoint between the outside and inside of the knee (knee midpoint, MK) was defined as LFz.
Midpoint width was defined as the width of the SAM at the midpoint of the height.
To investigate the distribution of RFs across the recorded area, we classified neurons according to the position of the RF center that was defined as the midpoint of the vertical and horizontal extents of the RF.
The center of the wrist ROI was defined as the midpoint of the distance between the radial and ulnar styloids, whereas the center of the 2nd-5th MCP ROI was defined as the midpoint of the distance between the peaks of the 3rd and 4th MCP.
Then, the midpoint position of each nucleosome was defined and the resulting combined profile was wavelet-smoothed.
For the determination of carriage duration in infants, a pneumococcal acquisition was defined as midpoint between the last negative swab and the first positive swab for a given serotype.
The date of infection was defined as the midpoint between the last seronegative specimen and the first seropositive specimen.
