ACR: albumin-to-creatinine ratio, Hb: hemoglobin, TC: total count, ESR: erythrocyte sedimentation rate, CRP: c-reactive protein, RBS: random blood sugar, CXR: chest X-ray, USG: ultrasonography, SGPT: serum glutamic pyruvic transaminase, TSH: thyroid stimulating hormone, FT4: free thyroxine 4, HIV: human immunodeficiency virus, HCV: hepatitis C virus, HSV: Herpes simplex virus, TPHA: treponema pallidum hemagglutination assay, VDRL: venereal disease research laboratory, NCS: nerve conduction study, EMG: electromyography. Here, GSTM1 is linked to sexually transmitted disease.