Table 1 STL data segmentation software packages used in this study (Accessed 15th Dec 2019)

3D Slicer

(3DS)

4.10.2

Surgical Planning Lab, Harvard Medical School, Harvard University, MA, USA

http://www.slicer.org

3DView

(3DV)

1.2

RMR Systems Ltd., East Anglia, UK

http://www.rmrsystems.co.uk/volume_rendering.htm

Image J

(IMJ)

1.48

National Institutes of Health, Bethesda, MD, USA

https://imagej.nih.gov/ij

InVesalius 3

(IN3)

3.1.1

Renato Archer Information Technology Centre, São Paulo, Brazil

https://invesalius.github.io

Mimics^a

(MCS)

22.0.0.524

Materialise, Leuven, Belgium

https://www.materialise.com/en/medical/mimics-innovation-suite/mimics

The Medical Imaging Interaction Toolkit

(MIT)

2018.04.2

German Cancer Research Center, Heidelberg, Germany

http://mitk.org

OsiriX Lite

(OSX)

11.0.0

Pixmeo SARL, Geneva, Switzerland

http://www.osirix-viewer.com

Seg3D

(S3D)

2.4.4

Scientific Computing and Imaging Institute, Salt Lake City, Utah, USA

http://www.sci.utah.edu/cibc-software/seg3d.html

Volume Extractor 3.0^a

(VE3)

3.6.0.7

i-Plants Systems, Iwate, Japan

http://www.i-plants.jp/hp/products/ve3