Assigning a fixed weight of 10% for “S”, the remaining criteria (i.e., “DMF”, “GA”, and “BT”) were first equally weighted by 30%. Then, the weighting of “GA” was gradually increased from 30% first to 50% then to 70%, while the other two criteria (i.e., “DMF” and “BT”) shared equally the remaining weight, i.e. first 20% each then 10% each.