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. 2022 Feb 7;9(3):611–625. doi: 10.1007/s40745-022-00370-3
R e1 e2 e3
u1 [0.5, 0.7], [0.1, 0.3] [0, 0.1], [0.5, 0.8] [0.3, 0.5], [0.2, 0.4]
u2 [0.1, 0.2], [0.4, 0.6] [0.2, 0.5], [0.3, 0.4] [0.5, 0.8], [0.1, 0.2]
u3 [0.1, 0.3], [0.4, 0.6] [0.2, 0.3], [0.3, 0.6] [0, 0.1], [0.5, 0.8]
u4 [0.2, 0.5], [0.1, 0.4] [0.3, 0.5], [0.2, 0.4] [0.1, 0.2], [0.4, 0.7]