The Delphi technique is a structured process that uses a series of
questionnaires or ‘rounds’ to gather information. Rounds are held
until group consensus is reached [10,12]. One of the main reasons
for the popularity enjoyed by the Delphi technique is that a large
number of individuals across diverse locations and areas of
expertise can be included anonymously, thus avoiding domination
of the consensus process by one or a few experts [13]. Adler et al.