Inclusion Criteria:  Provide signed and dated informed consent form Willing to comply with all study procedures and be available for the duration of the study Korean-American male or female, age over 18 and older CHB Patients who have lab and medical record data (including hepatitis B virus [HBV] deoxyribonucleic acid [DNA] viral load, hepatitis B virus e Antigen [HBeAg] status, and liver enzyme values) exist from 2015 or before  Exclusion Criteria:  Patients who have received a diagnosis of HCC, although they may have been diagnosed with cirrhosis Patients who have been diagnosed with other viral infections (hepatitis C virus [HCV], human immunodeficiency virus [HIV], etc.) Patients who have total baldness