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Measured distances (blue) between the 19 landmarks used (red). Landmarks comprised: glabella, nasion, subnasale, labrale superius, pogonion, superciliare lateralis right, superciliare lateralis left, exocanthion right, exocanthion left, palpebrale inferius right, palpebrale inferius left, endocanthion right, endocanthion left, alare right, alare left, cheilion right, cheilion left, crista philtri right, crista philtri left. Green dots—unused landmarks.
