Does the proposed removal of mitotic count as a prognostic indicator in melanoma, accurately reflect the risk profile for metastasis in UK patients?

We of the Newcastle upon Tyne Hospitals NHS Foundation Trust Specialist Skin Cancer MDT, write with concern regarding the most recently published AJCC 8th edition staging system for malignant melanoma 1 (proposed to be implemented in the UK in January 2018) and its possible implications for accurate risk stratification and prognostic forecasting.