“…Of these, twelve were situated in the United Kingdom, nine in the United States, four in Australia, four in Canada, three in Spain, two in the Netherlands, two in Norway, and the rest in Belgium, Croatia, Cyprus, Finland, Greece, New Zealand, Poland, Serbia and Switzerland. Sixteen international comparative primary care studies were included, covering forty-eight countries [4,18,23,32,33,36,39,47-50,63,76,78,79,81]. The remaining twenty-four studies had an unrestricted setting [13,51-56,58,60-62,64-74,80,94].…”