ALB and obstructive sleep apnea syndrome: Summary of human studies on the role of miR-15b-5p in non-malignant conditions (CAD, coronary atherosclerotic heart disease; CCC, coronary collateral circulation; ACR, albumin-to-creatinine ratio; eGFR, Estimated Glomerular Filtration Rate; AMS, Acute mountain sickness; COPD, chronic obstructive pulmonary disease; ACO, asthma-COPD overlap; DN, diabetic nephropathy; OSA, obstructive sleep apnea; CPAP, continuous positive airway pressure; DFU, Diabetic foot ulcers; FS, foot skin).