“…It is established Bthat iteration with feedback allows interchange among the members of the group in a controlled manner^ [5: 66]; some assessment of the group increases the responsibility of members trying to do their best [e.g., 5, 48]; a rigorous and continuous communication flow (e.g., [37] place particular attention on communication) is provided in an efficient Delphi process, anonymity is guaranteed between the panel experts at least during the process (special attention has been paid by [5,48,52,53]), and finally, the option to establish a consensus process [4,16].…”