“…Time, cost, lack of resources, the difficulty for specific groups of doctors and the complexity of the process were the main barriers to meeting the requirements of MPC. MPC was often described as time consuming, 25,26,46,48,49,62,71,72,96,106,113,127,134,151 and multiple doctors felt that they did not have the time to complete the process 21,48,49,58,60,61,66,68,71,74,81,124,139,144,146,157–159 . The cost involved in MPC were considered prohibitive 21,39,48,49,58,61,63,67,71,74,81,102,104,117,119,144 .…”