Author contributions:
Dharma Sapkota: Conceptualization (equal); Data curation (lead); Formal analysis (lead); Methodology (equal); Visualization (lead); Writing – original draft (lead). David P. Edwards : Conceptualization (equal); Data curation (supporting); Formal analysis (supporting); Methodology (supporting); Supervision (equal); Visualization (supporting); Writing – review & editing (equal).Mike Massam : Formal analysis (supporting); Methodology (supporting); Visualization (supporting); Writing – review & editing (supporting). Karl Evans : Conceptualization (equal); Data curation (supporting); Formal analysis (supporting); Methodology (equal); Supervision (equal); Visualization (supporting); Writing – review & editing (equal).