3043012 MHOA Manifold Heuristic Optimization Algorithm 1 3043011 MHOA massive haemorrhage on arrival 1 3043016 MHOA mental health of older adults 1 3043015 MHOA meta-heuristic optimization algorithm 1 3043014 MHOA migrant from the horn of Africa 1 3043013 MHOA modified Hiking Optimization Algorithm 1 3043018 MHOA monochromatic higher-order aberration 1 3043017 MHOA multi-variable H-beta optimization approach 1