“…Of included publications, eight dietary guidelines and one clinical practice guideline were developed by governmental organizations with a national scope [13,15,18,[22][23][24][25][26]. Six documents were developed by either international or national nonprofit professional societies or non-governmental organizations and provided either international dietary guidelines [14,20] or national clinical practice guidelines [16,17,19,21]. Of all national guidelines, two were from UK, two from the USA, one each from Canada, Finland, Ireland, Latvia, Spain, Turkey, Australia, and New Zealand.…”